A 2.8 kg object is dropped, from rest, from a height of 15.5 m above the ground. Assuming air-resistance can be neglected, What is the kinetic energy of the object just before it hits the ground?

Q: A glass has a mass of 280.54g When it's empty,and 542,6g when filled with water.Determine the volume…

A: Empty glass mass, m=280.54 g  Mass when glass is filled with water, M=542,6 g  So mass of water in…

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Q: If a rock of mass 6kg is dropped from a height, and has a velocity of 5 m/swhen it hits the ground,…

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Q: The mass of an ear ring is 600mg. This mass in S.I. system is Oa. 600 x 10 kg Ob. 600 x 10³g Oc 69 O…

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Q: Shouldn't r be squared

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A: Given;  From the following,  Convert the quantites into following as indicated in the blanks ?

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Q: A 3. A bullet fired from a gun has a KE of 10,500 J. What is the mass of the bullet if it moves at…

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Q: slide 7.8 meters long makes an angle of 33º with the ground. How high is the top of the slide above…

A: Given that: The length of the slide is 7.8 m. The angle is θ=33°.   It is required to determine the…

Q: If a rock of mass 6kg is dropped from a height, and has a velocity of 5 m/s when it hits the ground,…

A: The kinetic energy of the rock just before it hits the ground will be KE=12mv2=126kg5m/s2=75J

Q: If a 0.2 kg ball is thrown with a velocity of 6 m/s, what is its KE?

A: Given data:  Mass (m) = 0.2 kg Velocity (v) = 6 m/s Required: Kinetic Energy (KE)

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A:

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A: (1) Given: The initial horizontal velocity is 38.0 m/s. The angle of launch is 23.0°.

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Q: What would be the mass of one dollar’s worth of nickels?

A: SOlution; To find the mass of one dollar worth nickle.