A 1.80 kg snowball is fired from a cliff 12.0 m high. The snowball's initial velocity is 16.4 m/s, directed 27.0° above the horizontal. (a)How much work is done on the snowball by the gravitational force during its flight to the flat ground below the cliff? (b) What is thechange in the gravitational potential energy of the snowball-Earth system during the flight? (c) If that gravitational potential energy istaken to be zero at the height of the cliff, what is its value when the snowball reaches the ground?(a) Number(b) Number(c) NumberUnitsUnitsUnits

Answered: Image /qna-images/answer/ca0be7ff-5c42-4760-a33e-842722d7c2b1.jpg

Answered: A 1.80 kg snowball is fired from a…

Similar questions

You drop a 2.50 kg book to a friend who stands on the ground at distance D-13.0 m below. If your friend's outstretched hands are at distance d-1.60 m above the ground (see the figure), (a) how much work W, does the gravitational force do on the book as it drops to her hands? (b) What is the change AU in the gravitational potential energy of the book-Earth system during the drop? If the gravitational potential energy U of that system is taken to be zero at ground level, what is U (c) when the book is released and (d) when it reaches her hands? Now take U to be 100 J at ground level and again find (e) W. (f) AU, (g) U at the release point, and (h) U at her hands. 10000 El
A cat's crinkle ball toy of mass 15 g is thrown straight up with an initial speed of 3 m/s. Assume in this problem that air drag is negligible. (a) What is the kinetic energy of the ball as it leaves the hand? (b) How much work is done by the gravitational force during the ball's rise to its peak? (c) What is the change in the gravitational potential energy of the ball during the rise to its peak?
A horizontal force of magnitude 37.4 N pushes a block of mass 3.83 kg across a floor where the coefficient of kinetic friction is 0.639. (a) How much work is done by that applied force on the block-floor system when the block slides through a displacement of 3.86 m across the floor? (b) During that displacement, the thermal energy of the block increases by 39.5 J. What is the increase in thermal energy of the floor? (c) What is the increase in the kinetic energy of the block? (a) Number Units (b) Number i Units (c) Number Units >
A7.1g marble is fired vertically upward using a spring gun. The spring must be compressed 5.7 cm if the marble is to just reach a target 11 m above the marble's position on the compressed spring. (a) What is the change AU, in the gravitational potential energy of the marble-Earth system during the 11 m ascent? (b) What is the change AU; in the elastic potential energy of the spring during its launch of the marble? (c) What is the spring constant of the spring? (a) Number Units (b) Number Units (c) Number i Units > > >
just part (d)
A 0.541-kg basketball is dropped out of a window that is 5.67 m above the ground. The ball is caught by a person whose hands are 1.57 m above the ground. (a) How much work is done on the ball by its weight? What is the gravitational potential energy of the basketball, relative to the ground, when it is (b) released and (c) caught? (d) What is the change (PEf - PE0) in the ball's gravitational potential energy?