Physics (jsssieee)

Question 1

is equal to the rate of change in velocity over the interval of time.

Answer 1

Acceleration

Question 2

is about the overall change,

Answer 2

average acceleration

Question 3

means the change happens at the same rate.

Answer 3

Constant Acceleration

Question 4

is about one specific moment in time, a change happen in an instant

Answer 4

Instantaneous Acceleration

Question 5

Acceleration formula

Answer 5

a = Δv/Δt

Question 6

The unit of measurement of acceleration is.

Answer 6

m/s^2

Question 7

It is called the “center seeking” acceleration.

Answer 7

Centripetal Acceleration

Question 8

defined as the time it takes to complete one revolution or a cycle in which the object is moving at a constant velocity in a circular direction.

Answer 8

Period of Motion

Question 9

if we increase the radius the centripetal will?

Answer 9

decrease

Question 10

A jet moving east at 400 m/s makes a circular turn to head north in an arc of radius 4000 m. What is the

Answer 10

40 m/s^2

Question 11

If a boy is standing at the edge of a merry-go-round with radius of 2.0 m and makes one complete revolution in 6.0 seconds, what is his centripetal acceleration?

Answer 11

2.19 m/s^2

Question 12

A bus accelerates from an initial speed of 12 m/s at a constant rate of 1.2 m/s^2. What is the final speed of the bus after 15 seconds?

Answer 12

30 m/s

Question 13

A horse rider starting from rest has a velocity of 9.6 meters per second in 2.0 seconds. What is the horse rider’s average acceleration?

Answer 13

4.8 m/s^2

Question 14

Determine the final velocity of a car that enters a tunnel at 24 m/s and accelerates at 2.0 m/s^2, with a time of 8.0 seconds as it leaves the tunnel.

Answer 14

40 m/s