Description : What is the approximate velocity of light per second? -Do You Know?
Last Answer : answer:
Description : What is the approximate velocity of light per second?
Last Answer : – 3 × 108 m
Description : If the greatest velocity of the San Juan river in December 9 was 20 centimeters per second what was the approximate diameter of the largest particles that the river could have carried?
Last Answer : Need answer
Description : The approximate diameter of a water mains for supplying 7.2 mld with a velocity 1.2 m/sec, is (A) 24 cm (B) 26 cm (C) 28 cm (D) 30 cm
Last Answer : (D) 30 cm
Description : A 5 kilogram mass is lifted at constant velocity from a shop floor by a rope that passes through a pulley attached to the shop's ceiling. Neglecting the mass of the rope and friction in the pulley, what is the approximate tension in the rope? w) 100 newtons x) 50 newtons y) 25 newtons z) 5 newtons
Last Answer : ANSWER: X -- 50 NEWTONS
Description : What is the approximate time required for a heart-beat? (1) 0.5 second (2) 0.8 second (3) 0.5 minute (4) 1.0 minute
Last Answer : (2) 0.8 second Explanation: The heart has an increasing rhythmic activity. It pumps blood by its contraction and relaxation. The contraction of the heart is called systole and the ... second. Ventricular Systole takes about 0.3 seconds. Ventricular systole is followed by ventricular diastole.
Description : What is the approximate time required for a heart-beat ? (1) 0.5 second (2) 0.8 second (3) 0.5 minute (4) 1.0 minute
Last Answer : 0.8 second
Description : What is the approximate expiry dates per month for Maybelline?
Last Answer : Most Maybelline coupons expire 4-6 weeks after being sent out. However, they send coupons out on a regular basis and they can also be found on the internet.
Description : The general rule for rating refrigeration systems (excepting for CO2 system) is to approximate following h.p. per ton of Refrigeration (a) 0.1 to 0.5 h.p. per ton of refrigeration (b) 0.5 to 0.8 h.p. per ... (c) 1 to 2 h.p. per ton of refrigeration (d) 2 to 5 h.p. per ton of refrigeration
Last Answer : Ans: c
Description : The distance between a generator and its load is 100 feet. What would be the approximate total voltage drop across a two wire supply cable if the current were 5.5 amperes and the resistance of the wire were 2.525 ohms per 1,000 feet? A. 0.5 volts B. 1.38 volts C. 1.90 volts D. 2.77 volts
Last Answer : Answer: D
Description : What is the approximate voltage per cell produced by the nickel-iron (Edison) battery? A. 0.85 volts B. 1.35 volts C. 2.20 volts D. 6.05 volts
Last Answer : Answer: B
Description : As per Stevenson's empirical formula, the approximate value of the height of the wave in metres is given by (A) 0.34 VF (B) 0.5 VF (C) 1.5 VF (D) 3.4 VF
Last Answer : (A) 0.34 VF
Description : A software company needs to develop a project that is estimated as 1000 function points and is planning to use JAVA as the programming language whose approximate lines of code per function point is accepted as 50. Considering a=1. ... ? (1) 11.2 months (2) 12.2 months (3) 13.2 months (4) 10.2 months
Last Answer : Generally, any projects are measured in weeks. However, the complex project might take more time depending on the level of object re-use available.
Description : A taxi driver makes a profit of 25% on every trip when he carries 4 passengers and the price of petrol is Rs. 35 a litre. Find the approximate % profit for the same journey if he goes for 5 passengers per trip and the price of petrol reduces to Rs. 28 litres?
Last Answer : When 4 passengers income was 4x Expense= Rs.35. Profit =25% of 35+35= Rs.43.75 That means his earning is Rs.44.775.so that per passenger fare must be Rs.10.93 When 5 passengers earning = 10.99x5=Rs.54.68 Expense =Rs.28 Profit = 95.28 % approx.
Description : A body is vibrating with simple harmonic motion of aplitude 5 cm frequency 10 vibrations per second. The maximum value of velocity in cm/s will be a.3.14 cm/s b.314 cm/s c.3140 cm/s d.31.4 cm/s e.31400 cm/s
Last Answer : b. 314 cm/s
Last Answer : : Velocity 3X1008 per second of ultraviolet rays through zero
Description : Radian per second is unit of _______. (1) Momentum (2) Moment of Inertia (3) Frequency (4) Angle Velocity
Last Answer : (4) Angle Velocity Explanation: The SI unit of angular velocity is radians per second.
Description : Theoretical capacity of crushing rolls in tons/hr is given by (where, V = peripheral velocity, m/sec. W = width of rolls, m Dr = distance between rolls ρ = density of material to be crushed, kg/m3 here, V =πND where, N = speed of the rolls ... V.W.Dr.ρ (B) 3.6 V.W. ρ (C) 3.6 W.Dr.ρ (D) 3.6 V.W.Dr/ρ
Last Answer : (A) 3.6 V.W.Dr.ρ
Description : What is the ratio of total kinetic energy of fluid passing per second to the value obtained on the basis of average velocity (for laminar flow through a circular pipe)? (A) 0.5 (B) 1 (C) 1.5 (D) 2
Last Answer : (D) 2
Description : Speed in a given direction A. Wavelength B. Frequency C. Velocity D. Waves per second
Last Answer : A. Wavelength
Description : The relationship among twisting moment(T) acting on a rotating shaft, power in watt(W), and angular velocity in radian per second(w) will be (a) T = W/w (b) W = Tw (c) W = T/w (d) none of these
Last Answer : (b) W = Tw
Description : eFor design of sewers for sullage, minimum velocity of ---- metres per second is taken. (a) 1.0 m sec* (b) 1.5 m/sec (c) 2.0 m/sec (d) 2.5 m/sec
Last Answer : (a) 1.0 m sec*
Description : A car traveling at a constant velocity of 20 meters per second passes a second car which is initially at rest. The car which was at rest starts accelerating at 10 meters per second squared the instant it is passed ... car. They will meet again in: w) 2 seconds x) 4 seconds y) 6 seconds z) 8 seconds
Last Answer : ANSWER: X -- 4 SECONDS
Description : A ball is thrown upwards with an initial velocity of 5 meters per second. How many seconds will it take to reach maximum height? w) 0.5 seconds x) 1 second y) 1.5 seconds z) 2 seconds
Last Answer : ANSWER: W -- 0.5 SECONDS
Description : A two-stage rocket attains a velocity of 3,000 meters per second when it drops the first stage and ignites the second. It consumes 1 kilogram of fuel per second and its exhaust speed is 2,000 meters per second. ... ? w) 2,000 Newtons x) 3,000 Newtons y) 2,000 Newton-seconds z) 3,000 Newton-seconds
Last Answer : ANSWER: W -- 2,000 NEWTONS
Description : A bullet is fired with a muzzle velocity of 1000 meters per second from a rifle clamped to a window 4.9 meters above ground level. Neglecting air resistance, the horizontal distance from the rifle at which the bullet will strike the ground is w) 4.9 meters x) 500 meters y) 1000 meters z) 4900 meters
Last Answer : ANSWER: Y -- 1000 METERS
Description : An 8 kilogram mass resting on a frictionless horizontal surface is attached to a spring with a force constant of 50 Newtons per meter. If the velocity of the mass through the equilibrium position is 5 meters per second, what is the mass's maximum displacement from equilibrium?
Last Answer : ANSWER: 2 METERS
Description : How much time is needed for a force of 20 Newtons to change the velocity of a 5 kilogram mass by 4 meters per second?
Last Answer : ANSWER: 1 SECOND
Description : In physics, a radian per second squared is a unit of: w) angular displacement x) angular velocity y) angular acceleration z) angular momentum.
Last Answer : ANSWER: Y -- ANGULAR ACCELERATION
Description : At time t=0, a body has a velocity of 5 meters per second, EASTWARD; at time t=2 seconds, its velocity is 7 meters per second WESTWARD. What is the MAGNITUDE of the body's average acceleration?
Last Answer : ANSWER: 6 METERS PER SECOND SQUARED
Description : What is the initial velocity of an object if it is moving 10 meters per second after 2 seconds with a constant acceleration of 4 meters per second squared?
Last Answer : ANSWER: 2 METERS PER SECOND
Description : An object is projected vertically upward near the surface of the earth. At the very top of its path, the object's velocity is zero, and its acceleration is: w) 0 x) 9.8 meters per second squared DOWNWARD y) 9.8 meters per second squared UPWARD z) depends on the mass of the object
Last Answer : ANSWER: X -- 9.8 METERS PER SECOND SQUARED DOWNWARD
Description : A girl throws a 0.1 kilogram ball at a wall. The ball hits the wall perpendicularly with a velocity of 5 meters per second and then bounces straight back with a velocity of 4 meters per second. The ... .4 kilogram-meters per second y) 0.5 kilogram-meters per second z) 0.9 kilogram-meters per second
Last Answer : ANSWER: Z -- 0.9 KILOGRAM-METERS PER SECOND
Description : An impulse of 10 kilogram-meter per second acting on an object whose mass is 5 kilogram will cause a change in the objects velocity of: w) 0.5 meters per second x) 2 meters per second y) 10 meters per second z) 50 meters per second
Last Answer : ANSWER: X -- 2 METERS PER SECOND
Description : A 10 kilogram mass rests on a horizontal frictionless surface. A horizontal force of 5 Newtons is applied to the mass. After the force has been applied for 1 second, the velocity of the mass is: w) 0 meters per second x) 0.5 meters per second y) 5 meters per second z) 50 meters per second
Last Answer : ANSWER: X -- 0.5 METERS PER SECOND
Description : In physics, a radian per second is a unit of: w) angular displacement x) angular velocity y) angular acceleration z) angular momentum.
Last Answer : ANSWER: X -- ANGULAR VELOCITY
Description : A helicopter is ascending vertically with a constant speed of 6 meters per second relative to the ground. At the instant the helicopter is 60 meters above the ground it releases a package. What is ... of the package, relative to the ground, the instant the package is released by the helicopter?
Last Answer : ANSWER: 6 METERS/SECOND UP
Description : A 10 kilogram body initially moving with a velocity of 10 meters per second makes a head-on collision with a 15 kilogram body initially at rest. The two objects stick together. What is the velocity of the combined system just after the collision?
Last Answer : ANSWER: 4 METERS PER SECOND
Description : A boy throws a ball vertically upward with a velocity of 6 meters per second. How long does it take the ball to return to the boy's hand?
Last Answer : ANSWER: 1.22 SECONDS (accept: 1.2 seconds)
Description : A ball leaves a girl's hand with an upward velocity of 6 meters per second. What is the maximum height of the ball above the girl's hand?
Last Answer : ANSWER: 1.8 METERS
Description : A boy is standing on an elevator which is traveling downward with a constant velocity of 30 meters per second. The boy throws a ball vertically upward with a velocity of 10 meters per second ... the ball, MAGNITUDE AND DIRECTION, relative to the elevator shaft the instant the boy releases the ball?
Last Answer : ANSWER: 20 METERS PER SECOND DOWN
Description : If the speed of light is 186,282 miles per second, what is the speed of dark?
Last Answer : It’s the same, because you have to wait for the light to get out of the way (kind of like the speed of a Farrari is limited to the speed of the truck in front of it).
Description : The distance from the Earth to the Sun is about 100 million miles. The speed of light is 186,000 miles per second, and light takes eight minutes to reach the Earth from the Sun. Let's say the ... of light is suddenly doubled to 372,000 miles a second.What time will the Sun rise tomorrow? -Riddles
Last Answer : 6am again. After all, what diffrence does the speed of light make to the answer? It's irrelevant- only the speed of the roation of the Earth matters here.
Description : Distance of stars is measured in (a) Light years (b) Kilometres per second (c) Kilometres only (d) Nautical miles
Last Answer : Ans:(b)
Description : SN 1054 is a supernova that was first observed in 1054 AD by Chinese, Arab and Japanese astronomers. It was visible in ordinary light for 23 days and for around two years in the night-sky. What is its famous remnant that has a pulsar at its centre and expands at the rate of 1500 km per second?
Last Answer : Crab Nebula.
Description : When a certain beam of light falls upon a metal surface, it ejects photoelectrons from it. The number of photoelectrons ejected per second by the beam of light depends upon one of the following. Is it ... the work function of the metal y) the frequency of the beam z) the intensity of the beam
Last Answer : ANSWER: Z -- THE INTENSITY OF THE BEAM