Honors Fall 2022 Final Review
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Last updated over 1 year ago
4 questions
1
Neglecting air resistance, if a ball is thrown 4.5 m/s horizontally from a 94-m cliff, how far has the ball fallen after 2.7 s?
Neglecting air resistance, if a ball is thrown 4.5 m/s horizontally from a 94-m cliff, how far has the ball fallen after 2.7 s?
1
A 1500 kg car has an applied forward force of 5000 N and experiences an air resistance of 1250 N. What is the car's acceleration?
A 1500 kg car has an applied forward force of 5000 N and experiences an air resistance of 1250 N. What is the car's acceleration?
1
A skier on waxed skis is pulled at constant speed across level snow by a horizontal force of 39 newtons. The coefficient of kinetic friction of a waxed ski on snow is 0.05 and the coefficient of static friction is 0.14. What is the normal force exerted by the ground on the skier.
A skier on waxed skis is pulled at constant speed across level snow by a horizontal force of 39 newtons. The coefficient of kinetic friction of a waxed ski on snow is 0.05 and the coefficient of static friction is 0.14. What is the normal force exerted by the ground on the skier.
1
A projectile is fi red with a velocity of 150 meters per second at an angle of 30 with the horizontal. What is the magnitude of the vertical component of the velocity at the time the projectile is fired?
A projectile is fi red with a velocity of 150 meters per second at an angle of 30 with the horizontal. What is the magnitude of the vertical component of the velocity at the time the projectile is fired?