The two measurements necessary for calculating average speed are

When you walk at an average speed of 4 m/s, in 5 s you'll cover a distance of

A vehicle undergoes acceleration when it

The average speed of a horse that gallops 10 kilometers in 30 minutes is

If a car increases its velocity from zero to 60 m/s in 10 seconds, its acceleration is

An object covers a distance of 8 meters in the first second of travel, another 8 meters during the next second, and 8 meters again during the third second. Its acceleration is

A cart maintains a constant velocity of 100 m/s for 10 seconds. During this interval its acceleration is

A cart changes its speed from 90 m/s to 100 m/s in 10 seconds. During this interval its acceleration is

A ball tossed vertically upward rises, reaches its highest point, and then falls back to its starting point. During this time the acceleration of the ball is always

A car's speed 3 seconds after accelerating from rest at 2 m/s^2 is

A ball starting from rest at the top of an inclined plane gains a speed of 2 m/s for each second it rolls. What is its acceleration down the incline?

A freely-falling watermelon falls with constant

While an iron block near the Earth's surface is in free fall, it undergoes an increase in

The distance a freely falling bowling ball falls each second

If a stone falls to the bottom of a mineshaft in 6 seconds, then the depth of the shaft is about

If a freely falling object were equipped with a speedometer, its speed reading would increase each second by about

If a freely falling object were equipped with a speedometer on a planet where the acceleration due to gravity is 20 m/s^2, then its speed reading would increase each second by

If an object falling freely were somehow equipped with an odometer to measure the distance it travels, then the amount of distance it travels each succeeding second would be

A ball is thrown upwards and returns to the same location. Compared with its initial speed its speed when it returns is about

At one instant an object in free fall is moving downward at 50 m/s. One second later its speed is

At one instant a heavy object in air is moving upward at 50 m/s. One second later its speed is approximately

One half second after starting from rest, a freely falling object will have a speed of about

An object falls freely from rest on a planet where the acceleration due to gravity is 20 m/s^2. After 5 seconds, the object will have a speed of

If you throw a ball straight downward (in the absence of air resistance), after leaving your hand its acceleration is

The time it takes a projectile fired straight up at 10 m/s to reach the top of its path is about

The total time it takes a projectile fired straight up at 10 m/s to reach the top of its path and return to its starting point is about

Neglecting air resistance, how fast must you toss a ball straight up in order for it to take 6 seconds to return to its initial level?

Neglecting air resistance, a bullet fired straight down from the top of a high cliff has an acceleration of

A bullet is dropped into a river from a very high bridge at the same time as another bullet is fired straight downward from a rifle. Neglecting air resistance, the acceleration just before striking the water is

Which of the following is not a vector quantity?

An 80-km/h airplane flying in the same direction as a 10 km/h tail wind has a groundspeed of

An 80-km/h airplane flying against a 10-km/h head wind has a groundspeed of

Speed that remains the same or does not change

The image shows the velocity vectors(arrows) of 2 cars. The blue vector being longer tells us that car has a greater...

Speed or Velocity?:

A train is travelling North 220 km/hr

Adam is driving his car for a distance of 500 km in 3 hr. What is his speed?

Object #1 has a velocity of 2 m/s and object #2 has a velocity of -2 m/s. Which is true?

What is the difference between speed and velocity?

The difference between speed and velocity is that velocity has ________, but speed does not.