Description : If you want to stop the car in the shortest distance on an icy road, you should a.107 dynes b.not apply the brakes c.pump' the brakes d.push hard the brakes to lock the wheels e.push just hard enough to prevent slipping
Last Answer : e. push just hard enough to prevent slipping
Description : A car is moving along a straight horizontal road at a speed of 20 meters per second. The brakes are applied and a constant force of 5000 Newtons decelerates the car to a stop in 10 seconds. The mass of the car is: w) 1250 kilograms x) 2500 kilograms y) 5000 kilograms z) 10,000 kilograms
Last Answer : ANSWER: X -- 2500 KILOGRAMS
Description : Stopping distance of vehicles : When brakes are applied to a moving vehicle, the distance it travels before stopping is called stopping distance. It is an important factor for road safety and depends on ... the brake with the deceleration of 5m/s2. Find the stopping distance of the car -Science
Last Answer : Here u=72 km/hr = 72×10003600m/s=2072×10003600m/s=20 m/s , v=0 a= -5 m/s2 Now using the relation v2=u2+2asv2=u2+2as 0=(20)2+2×(−5)×s0=(20)2+2×(−5)×s s=40ms=40m
Description : The statement the resultant of the external forces applied to a body (rigid or non-rigid) composed of a system of particles is equivalent to the vector summation of the effective forces acting on all ... motion b.Principle of dynamics c.D' Alembert's principle d.Nowton's law e.Mohr's principle
Last Answer : c. D' Alembert's principle
Description : Coulomb's law for the force between electric charges most closely resembles a.Newton's laws of motion b.Law of conservation of energy c.Gauss's theorem d.Newton's law of gravitation e.None of the above
Last Answer : d. Newton's law of gravitation
Description : How many Newton's laws of motion and what are they ?
Last Answer : Newton's law of motion is threefold. 1. Unless applied by force exerted on an object from the outside , the stationary object will remain stationary forever and the moving object will always move in a ... in the direction in which the force acts. 3. Every action has an equal and opposite reaction
Description : Are there any situations in which we cannot apply Newton’s laws of motion? Is there any alternative for it?
Last Answer : Are there any situations in which we cannot apply Newton’s laws of motion? Is there any alternative for it?
Description : When Newtons laws of motion apply in outer space true or false?
Last Answer : Need answer
Description : The scientific principle involved in a laser is (a) Newton’s laws of motion (b) Faraday’s laws of induction (c) Motion of a charges particle in an electromagnetic field (d) Amplification by population inversion
Last Answer : Ans:(d)
Description : The flying of birds is a proof of Newton’s (a) First law (b) Second law (c) Third law of motion (d) Both Second and Third laws
Last Answer : Ans:(c)
Description : The passengers standing in a bus fall in the backward direction when the stationary bus begins to move. Which of the following laws explains this situation? (1) Newton's First Law of Motion (2) Newton's Third Law of Motion (3) Newton's Second Law of Motion (4) The Law of Conservation of Momentum
Last Answer : (1) Newton's First Law of Motion Explanation: According to Newton's first law of motion (law of inertia) a body either at rest or in uniform motion will remain so unless acted on by a force When the passengers are standing on the bus, they (and the bus) are in a state of uniform motion.
Description : The continuity equation (A) Relates mass flow rate along a stream tube (B) Relates work and energy (C) Stipulates that Newton's second law of motion must be satisfied at every point in the fluid (D) None of these
Last Answer : (A) Relates mass flow rate along a stream tube
Description : Hydraulic brakes work on the principle of – (1) Thomson's law (2) Newton's law (3) Bernoulli's theorem (4) PascaQl's law
Last Answer : (4) Pascal's law Explanation: Hydraulic brake works on Pascal's law which states that pressure exerted anywhere in a confined incompressible fluid is transmitted equally in all directions throughout the fluid such that the pressure variations remain the same.
Description : 'Hydraulic brakes' work on the principle of – (1) Pascal's law (2) Thomson's law (3) Newton's law (4) Bernoulli's theorem
Last Answer : (1) Pascal's law Explanation: Pascal's law states that when there is an increase in pressure at any point in a confined fluid, there is an equal increase at every other point in the container ... a pressure exerted on a piston produces an equal increase in pressure on another piston in the system.
Description : ‘Hydraulic brakes’ work on the principle of (1) Pascal’s law (2) Thomson’s law (3) Newton’s law (4) Bernoulli’s theorem
Last Answer : Pascal’s law
Description : The shearing force acting along the slice of a curved surface of slippage, causes the soil to slide (A) Down at the centre (B) Down at the toe (C) Upward at the centre (D) None of these
Last Answer : Answer: Option A
Description : Can you explain why we should give citizenship status to people who have demonstrated a willingness to break our laws?
Last Answer : Actually, that sounds like a good idea to me. I’m no expert on immigration, but it seems to me that if they’re living here, they might as well be paying taxes and contributing to our society. I’m looking forward to these other responses.
Description : A car moving along a straight road with a speed of 120 km/hr, is brought to rest by applying brakes.
Last Answer : A car moving along a straight road with a speed of 120 km/hr, is brought to rest by applying brakes. ... (ii) time taken by the car to come to rest.
Description : When the female patient demonstrates thickening, scaling, and erosion of the nipple and areola, the nurse recognizes that the patient is exhibiting signs of a) Paget's disease. Paget's disease ... the breast and demonstrates an orange peel apearance of breast skin with enlargement of skin pores.
Last Answer : a) Paget’s disease. Paget’s disease is a malignancy of mammary ducts with early signs of erythema of nipple and areola.
Description : The research that applies the laws at the time of field study to draw more and more clear ideas about the problem is: (A) Applied research (B) Action research (C) Experimental research (D) None of these
Last Answer : (C) Experimental research
Description : Consider the following statements associated with the germination of an angiospermous seed: (1) As the seed gets hydrated and germinates, enzymatic activity is increased (2) The respiration ... The increase in the respiratory rate continues till senescence (4) Rate of enzymatic activity decreases
Last Answer : Ans. ((b))
Description : A typical slide in a slide presentation would not include a) photo images charts, and graphs b) graphs and clip art c) clip art and audio clips d) full motion video e) None of these
Last Answer : c) clip art and audio clips
Description : Do you really enjoy an icy smoothie in freezing weather?
Last Answer : I don’t like smoothies but I will drink milkshakes and eat ice cream in the winter. There’s no season that will keep me from my favorite frozen dairy products.
Description : PS3 Killzone 3 question ? So in the shipwrecked icy Incursion board after I jump across the icebergs what do I do next?
Last Answer : Rent a polar bear with wings?
Description : Any tips for driving on icy roads?
Last Answer : Stay off the brakes, let the engine slow you down.
Description : how can i make eucalyptus oil like "icy/hot" for topical application
Last Answer : Need Answer
Description : How much should i wear a gallon of fish while skateboarding on a icy road with the wheels as cucumbers?
Last Answer : UWU
Description : Which mineral helps keep schools open during snowy and icy weather by melting snow?
Last Answer : The mineral is halite, It's the mineral form of sodium chloride, or common table salt.
Description : Why people sometimes reduce the tyre pressure in icy conditions?
Last Answer : I don't understand the question
Description : What is the most important geographic use of the Himalayas to India? (a) Prevention of invasions (b) Valuable source of timber (c) They prevent the monsoons from crossing to the north and also ... of water from which our perennial rivers flow (d) They protect India from the icy cold north winds
Last Answer : Ans: (c)
Description : Very strong and cold icy winds that blow in the Polar regions are called – (1) Typhoons (2) Tornadoes (3) Blizzards (4) Polar winds
Last Answer : (3) Blizzards Explanation: A blizzard is a severe snowstorm characterized by strong winds and low temperatures. The difference between a blizzard and a snowstorm is the strength of the wind. To be a ... mile or less and must last for a prolonged period of time - typically three hours or more.
Description : Which Very strong and cold icy winds that blow in the Polar regions?
Last Answer : Blizzards
Description : Very strong and cold icy winds that blow in the Polar regions are called (1) Typhoons (2) Tornadoes (3) Blizzards (4) Polar winds
Description : As an individual fires a shotgun, a recoil will be experienced. Which of Newton's laws would best describe this phenomena?
Last Answer : ANSWER: NEWTON'S THIRD LAW
Description : Laura weighs 50 Newtons and pushes against a stationary brick wall that weighs 1,000 Newtons. Her arm is two-thirds of a meter long. According to the laws of physics, how much work does she do?
Last Answer : ANSWER: NONE or ZERO
Description : The force acting between two point charges can be computed using which of the following laws? w) Ohm's Law x) Ampere's Law y) Coulomb's Law z) Newton's Second Law.
Last Answer : ANSWER: Y -- COULOMB'S LAW
Description : Brunauer, Emmet and Teller (BET) equation is used to determine the specific surface area of a porous particle but not the pore volume & the porosity of the catalyst bed. Which of the following postulates ... (except the first one) is involved in each of the evaporation process (D) None of these
Last Answer : (B) There is no dynamic equilibrium between successive layer
Description : A man wished to move a block of size 3 m x 3 m weighing 80 kg. The coefficient of friction between the block and the ground is 0.27. Which of the following methods should be used? a.Slide along the ground by pushing b.Ask for cranes c.Pull it d.Tip it over e.Lift it bodily
Last Answer : d. Tip it over
Description : The rough surface of a horizontal table offers a definite maximum opposing force to initiate the motion of a block along with the table,
Last Answer : The rough surface of a horizontal table offers a definite maximum opposing force to initiate the motion of ... of F2 adds up to the opposing force.
Description : Imagine that a 20 mile diameter hole is bored along the diameter of the Earth extending from the North Pole to the South Pole, that all air and gases are pumped out of this hole, and that the temperature ... between the loci of the hole with the opposite surfaces of the Earth. z) none of the above.
Last Answer : ANSWER: Y -- FOREVER OSCILLATE IN SIMPLE HARMONIC MOTION ALONG THE OLE
Description : State Newton’s third law of motion and also tell how it explains the walking of a man on the ground. -Science
Last Answer : Formally stated, Newton's third law is: For every action, there is an equal and opposite reaction. The statement means that in every interaction, there is a pair of forces acting on the two interacting objects. ... on the second object. As we walk on a ground the ground also applies force on us.....
Description : Explain Newton's second law of motion ?
Last Answer : Newton's second law of motion is: "The rate of change of mass velocity of an object is proportional to the force applied to it and the velocity of the object changes in the direction in which the force ... in the direction of velocity for a period of time, so its velocity changes from u to v .
Description : What is Newton's second law of motion ?
Last Answer : Second formula: The rate of change of momentum of an object is proportional to the applied ball and the change of momentum of the object occurs in the direction in which the force acts.
Description : What is Newton's first law of motion ?
Last Answer : First formula: When no external force is applied, the stationary object is stationary and the moving object continues to move smoothly in a balanced motion.
Description : For the study of any kind of motion, we never use Newton’s first law of motion directly. Why should it be studied?
Last Answer : For the study of any kind of motion, we never use Newton’s first law of motion directly. Why should it be studied?
Description : When calculating Newton's Second Law of Motion what is the resulting unit of measurement called?
Last Answer : hhhsgdhchjdhsnsjhjskhjsbsjnsbjsnhjhjdfsdgsjhshvbjhdhdvb
Description : How do you use Newtons second law of motion to describe the relationship between force mass and acceleration?
Description : How does a diving board illustrates newtons third law of motion?
Last Answer : What is the answer ?
Description : How diving boards illustrates newtons third law of motion?
Description : newtons first law of motion describes?
Last Answer : An object will remain at rest or in uniform motion in a straight line unless acted upon by an external force.