Description : : Gradient of line of velocity-time graph is tells us the A. velocity B. acceleration C. distance D. time
Last Answer : acceleration
Description : Area under velocity-time graph tells us the A. time B. acceleration C. displacement D. velocity
Last Answer : displacement
Description : The slope of a velocity-time graph represents – (1) acceleration (2) displacement (3) distance (4) speed
Last Answer : (1) acceleration Explanation: A plot of velocity-time is used to determine the acceleration of an object (the slope). If the acteleration is zero, then the velocity-time graph is a horizontal line (i.e ... is positive, then the line is an upward sloping line (i.e., the slope is positive).
Description : The slope of a velocity-time graph represents (1) acceleration (2) displacement (3) distance (4) speed
Description : For body moving with non-uniform velocity and uniform acceleration – (1) Displacement – Time graph (2) Displacement – Time graph (3) Velocity - Time graph is non-linear (4) Velocity - Time graph is linear
Last Answer : (2) Displacement - Time graph Explanation: Displacement-time graph is non linear. Linear motion (also called rectilinear motion) is motion along a straight line, and can therefore be described ... linear motion with variable velocity or non-zero acceleration. The motion of a particle (a point
Description : For a body moving with non-uniform velocity and uniform acceleration (1) Displacement – Time graph is linear (2) Displacement – Time graph is non-linear (3) Velocity – Time graph is nonlinear (4) Velocity – Time graph is linear
Last Answer : Displacement – Time graph is non-linear
Description : The rate of change of displacement is called: (1) Acceleration (2) Speed (3) Distance (4) Velocity
Last Answer : (4) Velocity Explanation: In considering motions of objects over time the instantaneous velocity of the object is the rate of change of the displacement as a function of time.
Description : The angular velocity depends upon the rate of change of the _______. (1) Angular Distance (2) Angular acceleration (3) Angular Displacement (4) torque
Last Answer : (3) Angular Displacement Explanation: The angular velocity is defined as the rate of change of angular displacement and is a vector quantity which specifies the angular speed of an object and the axis about which the object is rotating.
Description : Speed of a body in particular direction can be called A. acceleration B. displacement C. velocity D. distance
Last Answer : velocity
Description : If the gradient of a graph is negative, then the acceleration is A. positive B. negative C. zero D. 1
Last Answer : negative
Description : The velocity-time graph shows the motion of a cyclist. Find (i) its acceleration (ii) its velocity (iii) the distance covered by the cyclist in 15 seconds Numerical Questions and answers on Motion for Class 9 physics -Science
Last Answer : (i) We can see from the graph that velocity is not changing So,acceleration is equal to zero. (ii) By Reading the graph, velocity = 20 m/s (iii) Distance covered in 15 seconds, s=u×t=20×15=300s=u×t=20×15=300 m
Description : If the slope of a graph is zero and so the displacement, then velocity is A. increasing B. decreasing C. constant D. zero
Last Answer : zero
Description : A body moving in a circular path with a constant speed has a – (1) constant velocity (2) constant acceleration (3) constant kinetic energy (4) constant displacement
Last Answer : (3) constant kinetic energy Explanation: In circular motion, the magnitude of the velocity of the body is constant but the direction is constantly changing. This means that, even though the speed is ... accelerating. At any instant, the direction of the velocity is a tangent to the circular path.
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 : 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 body moving in a circular path with a constant speed has a (1) constant velocity (2) constant acceleration (3) constant kinetic energy (4) constant displacement
Last Answer : constant kinetic energy
Description : If the velocity-time graph of a particle is represented by y = mt + c, then the particle is moving with– (1) constant speed (2) constant velocity (3) constant acceleration (4) varying acceleration
Last Answer : (3) constant acceleration Explanation: In this case the given equation shows that that the velocity is linear with time and therefore the particle is moving with constant acceleration because for a ... acceleration the graph of the velocity time graph should be in linear with the time function.
Description : If the velocity-time graph of a particle is represented by y = mt + c, then the particle is moving with (1) constant speed (2) constant velocity (3) constant acceleration (4) varying acceleration
Last Answer : constant acceleration
Description : Interaction that causes an object's momentum to change is A. velocity B. acceleration C. power D. force
Last Answer : force
Description : Direction of momentum is direction of object's A. mass B. acceleration C. velocity D. frictional force
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 : Is velocity the slope of the displacement vs time graph true or false?
Last Answer : that is true
Description : A car travelled south-west for 200 miles depicts A. distance B. speed C. velocity D. displacement
Description : Correct example of vector quantities could be A. Distance and Speed B. Displacement and Velocity C. Distance and Displacement D. Speed and Velocity
Last Answer : Displacement and Velocity
Description : Which of the following is scalar quantity a.Area of triangle b.Displacement of a particle c.Acceleration of car d.Force of friction e.Velocity a gear
Last Answer : a. Area of triangle
Description : A body moving in a circular path with a constant speed has a - (1) constant velocity (2) constant acceleration (3) constant kinetic energy (4) constant displacement
Last Answer : (3) constant kinetic energy Explanation: In circular motion, the magnitude of the velocity of the body is constant but the direction is constantly changing.
Description : The vibration in a vehicle is normally expressed in the terms of the ______________. (A) displacement (B) velocity (C) acceleration (D) none of the above
Last Answer : (C) acceleration
Description : A seismometer is a device used to measure the ___________ of a vibrating body. (A) displacement (B) velocity (C) acceleration (D) all of the above
Last Answer : (A) displacement
Description : The instruments which are used to measure the ___________ of a vibrating body are called vibration measuring instrument. (A) displacement (B) velocity (C) acceleration (D) all of the above
Last Answer : (D) all of the above
Description : In case of simple harmonic motion, displacement is proportional to the (A) Velocity (B) Acceleration (C) Both (A) & (B) (D) Neither (A) nor (B)
Last Answer : B) Acceleration
Description : Distance travelled by a body in time ‘t’ is A. instantaneous speed B. average velocity C. average acceleration D. instantaneous acceleration
Last Answer : average velocity
Description : A object moves with uniform positive acceleration. Its velocity-time graph will be (a) A straight line parallel to the time axis (b) A straight line inclined at an obtuse angle to the time axis (c) A straight line inclined at an acute angle to the time axis (d) None of these. -Science
Last Answer : Answer is (c)
Description : The velocity, time graph of two bodies A and B travelling along the +x direction are given in the fi gure.(a) Are the bodies moving with uniform acceleration ? (b) Which body is moving with greater acceleration ? Give reasons. -Biology
Last Answer : The acceleration is given by the slope of velocity-time graph. Slope of body-A > Slope of body-B as it forms a greater angle with time axis than body B. Thus, body A moves with higher acceleration
Description : In simple harmonic motion, the acceleration is: w) constant x) proportional to the distance from the central position y) greatest when the velocity is greatest z) none of the above
Last Answer : ANSWER: X -- PROPORTIONAL TO THE DISTANCE FROM THE CENTRAL POSITION
Description : Gradient of force-extension graph is A. variable B. increasing C. decreasing D. force constant
Last Answer : force constant
Description : The knot is a nautical measure of: w) length x) speed y) acceleration z) displacement
Last Answer : ANSWER: X -- SPEED
Description : A body which is attached to a spring undergoes simple harmonic motion. The magnitude of the body's acceleration is: w) constant x) proportional to its displacement from its equilibrium position y) zero z) always increasing.
Last Answer : ANSWER: X -- PROPORTIONAL TO ITS DISPLACEMENT FROM ITS EQUILIBRIUM POSITION
Description : According to Newton's 2nd law the object's acceleration and centripetal force are A. at right angles to each other B. anti parallel to each other C. make acute angle with each other D. in same direction
Last Answer : in same direction
Description : Anemometer is used to measure – (1) wind direction (2) wind velocity (3) pressure gradient (4) wind speed and time
Last Answer : (2) wind velocity Explanation: An anemometer is a device for measuring wind speed, and is a common weather station instrument. The first known description of an anemometer was given by Leon Battista Alberti around 1450.
Description : Anemometer is used to measure (1) wind direction (2) wind velocity (3) pressure gradient (4) wind speed and time
Last Answer : wind velocity
Description : An electron moving with a velocity of 5 10 3 m / s enters into a uniform electric field and acquires a uniform acceleration of 10 3 m / s 2 in the direction of initial velocity. i. ... which electron velocity will be doubled.? ii. How much distance electron would cover in this time.? -Science
Last Answer : Given u=5×103m/su=5×103m/s , a=103m/s2a=103m/s2, v=2u=104v=2u=104 m/s i.Using v=u+atv=u+at 104=5×103+103t104=5×103+103t or t=5 sec ii. Using s=ut+12at2s=ut+12at2 s=5×103×5+12×103×52s=5×103×5+12×103×52 =37.5×103m=37.5×103m
Description : The average speed of a moving object during a given interval of time is always: A. the magnitude of its average velocity over the interval B. the distance covered during the time ... its acceleration multiplied by the time interval E. one-half its acceleration multiplied by the time interval
Last Answer : B. the distance covered during the time interval divided by the time interval (Answer)
Description : Which of the following is not a vector quantity? (1) Speed (2) Velocity (3) Torque (4) Displacement
Last Answer : (1) Speed Explanation: Speed is a scalar quantity that refers to "how fast an object is moving." Speed can be thought of as the rate at which an object covers distance. It does not keep track of direction. In contrast, velocity is a vector quantity as it is direction aware.
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 : Which of the following is not a vector quantity ? (1) Speed (2) Velocity (3) Torque (4) Displacement
Last Answer : Speed
Description : What if your veterinarian tells you that a healthy weight for your dog is between 70 and 80 pounds. Write a graph an inequality to represent your dog's healthy weight w in pounds?
Last Answer : Wiki Answers can not write a graph.
Description : What part of a graph tells what the bar or line represents?
Last Answer : the x-axies
Description : A car starts from rest and moves on a straight road with a uniform acceleration of 10 m/s2 for the first 10 s. During the next 10 s, the car move s with the velocity it has attained. What is the total distance covered by the car in 20 s? (a) 500 m (b) 1000 m (c) 1,500 m (d) 2,000 m
Last Answer : Ans:(c)