Kinematics Theory

Kinematics Theory

3 years ago

thephysicsgrove0

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- Question 130 secondsQ. The rate at which distance is covered is called speed.answer choices
- Question 230 secondsQ. Average speed is defined as the time it takes for a trip divided by the distance.answer choices
- Question 330 secondsQ. Velocity is different from speed in that velocity is speed in a given direction.answer choices
- Question 430 secondsQ. A unit of velocity is the meter.answer choices
- Question 530 secondsQ. The rate at which velocity changes with time is called acceleration.answer choices
- Question 630 secondsQ. A unit of acceleration is meters per second.answer choices
- Question 730 secondsQ. When a car rounds a corner at a constant speed, its acceleration is zero.answer choices
- Question 830 secondsQ. Even though a car is slowing down, it is still accelerating, in the most general definition of acceleration.answer choices
- Question 930 secondsQ. A ball is thrown into the air. At the highest point, the ball has zero velocity and zero acceleration.answer choices
- Question 1030 secondsQ. As a ball falls freely, the distance it falls each second is the same.answer choices
- Question 1130 secondsQ. Unless stated otherwise, when we discuss the speeds of things, we mean with respect to the center of the universe.answer choices
- Question 1230 secondsQ. When we discuss the motion of something, its motion is described relative to something else.answer choices
- Question 1330 secondsQ. Speed isanswer choices
- Question 1430 secondsQ. One possible unit of speed isanswer choices
- Question 1530 secondsQ. Acceleration is defined as the CHANGE inanswer choices
- Question 1630 secondsQ. Suppose you are in a car that is going around a curve. The speedometer reads a constant 30 miles per hour. Which of the following is NOT true?answer choices
- Question 1730 secondsQ.
A train travels 6 meters in the first second of travel, 6 meters again during the second second of travel, 6 meters again during the third second. It's acceleration is __ m/s

^{2}?answer choices - Question 1830 secondsQ. A car starts from rest and after 7 seconds it is moving at 42 m/s. What is the ’s average acceleration?answer choices
- Question 1930 secondsQ. As an object falls freely in a vacuum, itsanswer choices
- Question 2030 secondsQ. In the absence of air resistance, objects fall at constantanswer choices
- Question 2130 secondsQ. A ball is thrown upwards and caught when it comes back down. In the absence of air resistance, the speed of the ball when caught would beanswer choices
- Question 2260 secondsQ. Suppose an object is in free fall. Each second the object fallsanswer choices
- Question 2330 secondsQ. If you drop a feather and a coin at the same time in a tube filled with air, which will reach the bottom of the tube first?answer choices
- Question 2430 secondsQ. Consider drops of water leaking from a water faucet. As the drops fall theyanswer choices
- Question 2530 secondsQ. If a freely falling object were somehow equipped with a speedometer, its speed reading would increase each second byanswer choices
- Question 2630 secondsQ. An object accelerates at 2 m/s^2. Assuming the object starts from rest, how much time does it need to accelerate to a speed of 16 m/s?answer choices

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