and slides along a frictionless track. [Neglect air A 10-kilogram block starts from rest at point A resistance.] 10. kg A 5.0 m C В 2.0 m 74. As the block moves from point A to point B, the total amount of gravitational potential energy that changes to kinetic energy is approximately (2) 20 J (1) 5 J (3) 50 I (4) 500I

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please help with questions 74,75 and 76 altogether because they are for one whole problem
and slides along a frictionless track. [Neglect air
A 10-kilogram block starts from rest at point A
the information and diagram below.
Base your answers to questions 74 through 76 on
resistance.]
10. kg
A
5.0 m
В
2.0 m
74. As the block moves from point A to point B, the
total amount of gravitational potential energy
that changes to kinetic energy is approximately
(1) 5 J
(2) 20 J
(3) 50 J
(4) 500 J
75. What is the approximate speed of the block at
point B?
(1) 1 m/s (2) 10 m/s (3) 50 m/s (4) 100 m/s
76. What is the approximate gravitational potential
energy of the block at point C?
(2) 200 J
(1) 20 J
(3) 300 J (4) 500 J
Transcribed Image Text:and slides along a frictionless track. [Neglect air A 10-kilogram block starts from rest at point A the information and diagram below. Base your answers to questions 74 through 76 on resistance.] 10. kg A 5.0 m В 2.0 m 74. As the block moves from point A to point B, the total amount of gravitational potential energy that changes to kinetic energy is approximately (1) 5 J (2) 20 J (3) 50 J (4) 500 J 75. What is the approximate speed of the block at point B? (1) 1 m/s (2) 10 m/s (3) 50 m/s (4) 100 m/s 76. What is the approximate gravitational potential energy of the block at point C? (2) 200 J (1) 20 J (3) 300 J (4) 500 J
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