A woman pulls a 6.87 kg suitcase, initially at rest, with a 29.2 N force along the handle at 57.7°. Friction pills back at 12.7 N, and the suitcase moves 5.93 m. What is its final speed?
A woman pulls a 6.87 kg suitcase, initially at rest, with a 29.2 N force along the handle at 57.7°. Friction pills back at 12.7 N, and the suitcase moves 5.93 m. What is its final speed?
2 answers · Physics · 11 months ago

A 1210 kg rollercoaster car is moving 7.33 m/s. As It approaches the station, brakes slow it down to 1.88 m/s over a distance of 5.29 m. How much work did the brakes do?
A 1210 kg rollercoaster car is moving 7.33 m/s. As It approaches the station, brakes slow it down to 1.88 m/s over a distance of 5.29 m. How much work did the brakes do?
1 answer · Physics · 11 months ago

A 1210 kg rollercoaster car is moving 7.33 m/s. As It approaches the station, brakes slow it down to 1.88 m/s over a distance of 5.29 m. How much work did the brakes do?
A 1210 kg rollercoaster car is moving 7.33 m/s. As It approaches the station, brakes slow it down to 1.88 m/s over a distance of 5.29 m. How much work did the brakes do?
1 answer · Physics · 11 months ago

A 1210 kg rollercoaster car is moving 6.33 m/s. As It approaches the station, brakes slows it down to 2.38 m/s over a distance of 4.20 m. How much force dis the brakes apply?
A 1210 kg rollercoaster car is moving 6.33 m/s. As It approaches the station, brakes slows it down to 2.38 m/s over a distance of 4.20 m. How much force dis the brakes apply?
2 answers · Physics · 11 months ago

A 77.0 kg woman slides down a 42.6 m long waterslide inclined at 42.3°. At the bottom, she is moving 20.3 m/s. How much work did friction do on the women? (Hint: Her starting height is not 42.6 m)
A 77.0 kg woman slides down a 42.6 m long waterslide inclined at 42.3°. At the bottom, she is moving 20.3 m/s. How much work did friction do on the women? (Hint: Her starting height is not 42.6 m)
1 answer · Physics · 11 months ago
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A 1500 kg car on flat ground is moving 5.25 m/s. It's engine creates a 1250 N forward force as the car moves 42.8 m. What is it's final velocity?
A 1500 kg car on flat ground is moving 5.25 m/s. It's engine creates a 1250 N forward force as the car moves 42.8 m. What is it's final velocity?
3 answers · Physics · 11 months ago

A woman pulls a 6.87 kg suitcase, initially at rest, with a 29.2 N force along the handle at 57.7. Friction pulls back at 12.7 N, and the suitcase moves 5.93 m. What is it's final speed?
A woman pulls a 6.87 kg suitcase, initially at rest, with a 29.2 N force along the handle at 57.7. Friction pulls back at 12.7 N, and the suitcase moves 5.93 m. What is it's final speed?
2 answers · Physics · 11 months ago

A 1380 kg car starts from rest at the top of a 28.0 m long hill inclined at 11.0°. Ignoring friction, how fast is it going when it reaches the bottom of the hill?
A 1380 kg car starts from rest at the top of a 28.0 m long hill inclined at 11.0°. Ignoring friction, how fast is it going when it reaches the bottom of the hill?
2 answers · Physics · 11 months ago

A diver is on a board 1.80 m above the water. She jumps stariaght up at 3.62 m/s. At what speed does she hit the water?
A diver is on a board 1.80 m above the water. She jumps stariaght up at 3.62 m/s. At what speed does she hit the water?
3 answers · Physics · 11 months ago

A diver is on a board 1.80 m above the water. She jumps stariaght up at 3.62 m/s. At what speed does she hit the water?
A diver is on a board 1.80 m above the water. She jumps stariaght up at 3.62 m/s. At what speed does she hit the water?
1 answer · Physics · 11 months ago

A skateboarder is moving 5.25 m/s when he starts to roll up a frictionless hill. How much higher is he when he comes to a stop?
A skateboarder is moving 5.25 m/s when he starts to roll up a frictionless hill. How much higher is he when he comes to a stop?
1 answer · Physics · 11 months ago

A skateboarder is moving 5.25 m/s when he starts to roll up a frictionless hill. How much higher is he when he comes to a stop?
A skateboarder is moving 5.25 m/s when he starts to roll up a frictionless hill. How much higher is he when he comes to a stop?
1 answer · Physics · 11 months ago

A diver is on a board 1.80 m above the water. She jumps straight up at 3.62 m/s. What is her maximum height above the water?
A diver is on a board 1.80 m above the water. She jumps straight up at 3.62 m/s. What is her maximum height above the water?
2 answers · Physics · 11 months ago

A stone is dropped from a height of 7.70 m. How fast is it going when it reaches the ground? Use energy to solve.
A stone is dropped from a height of 7.70 m. How fast is it going when it reaches the ground? Use energy to solve.
2 answers · Physics · 11 months ago

A stone is dropped from a height of 7.70 m. How fast is it going when it reaches the ground? Use energy to solve.
A stone is dropped from a height of 7.70 m. How fast is it going when it reaches the ground? Use energy to solve.
2 answers · Physics · 11 months ago

A 2.80 kg mass is dropped from a heigjt of 4.50 m. What is its total mechanical energy?
A 2.80 kg mass is dropped from a heigjt of 4.50 m. What is its total mechanical energy?
3 answers · Physics · 11 months ago

A 0.0780 kg lemming runs off a 5.36 m high cliff at 4.84 m/s. What is it's potential energy (PE) when it is 2.00 m above the ground?
A 0.0780 kg lemming runs off a 5.36 m high cliff at 4.84 m/s. What is it's potential energy (PE) when it is 2.00 m above the ground?
3 answers · Physics · 11 months ago

A 0.0780 kg lemming runs off a 5.36 m high cliff at 4.84 m/s. What is it's kinetic energy (KE) when it jumps?
A 0.0780 kg lemming runs off a 5.36 m high cliff at 4.84 m/s. What is it's kinetic energy (KE) when it jumps?
2 answers · Physics · 11 months ago