kinee

7 Questions
0 Answers

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688

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Kinematics

A boy throws a rock upwards. The rock reaches a maximum height 2.4 seconds after it is released. What is the velocity at the highest peak?

kinee Oct 2, 2019

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878

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kinematics

An automobile was moving at 15 m/s and accelerated at 2 m/s2 for 10 s. Which of the following was its final speed?

A. 17 m/s
B. 25 m/s read more ..

kinee Oct 2, 2019

+1

1134

1

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Kinematics

Calculate the acceleration in meters per second-squared, of a car that begins at rest at a stop sign and accelerates to 25 m/s over a time of 8.6 seconds.

kinee Oct 2, 2019

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716

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+35

Kinematics

A ball initially rolling at 10 m/s comes to a stop in 25 seconds. Assuming the ball has uniform acceleration, how far does it travel during this time interval?

kinee Oct 2, 2019

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843

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+35

Kinematics

The speed of a car is decreasing uniformly from 35 m/s to 15 m/s in 4 s. What's the magnitude of the car's acceleration?

kinee Oct 2, 2019

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1332

1

+35

Kinematics

Calculate the acceleration in meters per second-squared, of a car moving at 15 m/s that accelerates to 28 m/s over a time of 5.3 seconds.

kinee Oct 2, 2019

+1

1174

1

+35

KINEMATICS

A space probe is launched vertically into space. It launches from rest and accelerates at a rate of 29 m/s2. How many seconds before the probe reaches the speed required to get into orbit, 7,850 m/s?

kinee Oct 2, 2019