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Please answer question and just send me the paper solutions asap dont type the answer question 5abc it is kenetic energy ASAP please

Transcribed Image Text:4. A group of skiers is travelling in a car at 97 km/h along a highway. A palr oI SRI BOOIS
having a total mass of 2.8 kg has been placed on the shelf of the rear window. a)
Calculate the speed of the car in meters per second.
b) Calculate the kinetic energy of the boots.
5. A child of mass 33 kg slides down a slide 2.2 m high relative to the bottom of the slide.
The child's speed at the bottom of the slide is 5.1 m/s.
a) Calculate the child's gravitational potential energy at the top of the slide.
b) Calculate the child's kinetic energy at the bottom of the slide.
c) Explain why the values of energy in (a) and (b) are different.
6. A hockey puck has a gravitational potential energy of 2.3 J when it is held by a refereet a
height of 1.4 m above the rink surface. Calculate the mass of the puck.
7. A 15.0 kg textbook is sitting on a 1.20 m tall table. If the book is lifted 0.80 m above the
table, how much gravitational potential energy does it have: a) With respect to the table?
b) With respect to the floor?
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