It has been determined that a force over 200 N can injure the hand. What is...
It has been determined that a force over 200 N can injure the hand. What is the shortest period of time it will take to stop a 2 kg object traveling at 75 m/s if the hand is to be protected?
A.) 0.38 s
B.) 0.75 s
C.) 1.33 s
D.) 2.67 s
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It has been determined that a force over 200 N can injure the
hand. What is...
Two forces of 200 N each are applied to an object, such that they are at...
Two forces of 200 N each are applied to an object, such that they are at 140 degree from each other. what is the magnitude of the third force necessary to keep the object stationary? A satellite in a stable circular orbit around the Earth, travelling at 2.3 Times 10^2 km above the ocean has a period of The planet Venus has a period of 225 days in its orbit around the sun. The mean radius of its orbit is:...
A boat with mass of 1 200 kg is traveling at 12 m/s. What is the...
A boat with mass of 1 200 kg is traveling at 12 m/s. What is the magnitude of the force required to stop the boat if it undergoes a displacement of 85 m? a. 1 000 N b. 8 500 N c. 2 000 N d. 170 N
A 75 kg object moving at 2.5 m/s is slowed by a 25 N resistance force...
A 75 kg object moving at 2.5 m/s is slowed by a 25 N resistance force over a distance of 9m. What is the final velocity of the object?
1. A 10,000 KG truck is traveling at +20 m/s. What would happen to the momentum...
1. A 10,000 KG truck is traveling at +20 m/s. What would
happen to the momentum of the truck if it increases in velocity in
the same direction?
2. A 120 KG rugby player is running toward another player at 5
m/s. How much force needs to be applied over one second in order to
bring him to a stop?
3. if the acceleration of an object decreases, what happens to
the inertia?
A 10,000kg truck is traveling at +20m/s....
2 points) 7 A worker pushes done? horizcetally on a large crate with a force of...
2 points) 7 A worker pushes done? horizcetally on a large crate with a force of 300 N, and the crate moved 5.0 m. How much work was LASO kg bag ofsugar is on a counter. How much work is done to put the bag on a shelfadístance of OAS m above the counter? 9.Aman pushes a lawn mower on a level lawn with a force 200 N. ir40% ofthe force is directed downward, how much work is done by...
A 1300-kg rocket has a net propulsion force of 40 KN (kiloNewtons). Over a short time...
A 1300-kg rocket has a net propulsion force of 40 KN (kiloNewtons). Over a short time period, it uniformly speeds up from an initial velocity of 30 m/s to a inal velocity of 55 m/s. Assume that the mass of u rocket is constant during this time pend and that the net force is along the direction of motion. what is the work done on the rocket n knopole Submit Arser Tries 0y3
The rolling resistance of steel is typically mu_r = .002. If a train weighing 160,000 kg...
The rolling resistance of steel is typically mu_r = .002. If a train weighing 160,000 kg is rolling at 12m/s and the engineer turns off the engine to let the train cruise to a stop, how much time will it take to come to a stop? How far will the train move during this time? What is the drag force on a 1.5 m wide, 1.8 m high car traveling at 20 m/s? A 22 cm diameter bowling ball has...
A 1300-kg rocket has a net propulsion force of 50 kN (kiloNewtons). Over a short time...
A 1300-kg rocket has a net propulsion force of 50 kN (kiloNewtons). Over a short time period, it uniformly speeds up from an initial velocity of 35 m/s to a final velocity of 60 m/s. Assume that the mass of the rocket is constant during this time period and that the net force is along the direction of motion. What is the change in speed of the rocket in m/s and in mph? m/s mph Submit Answer Tries 0/2 What...
3. An engine exerts a force of 10000 N on a 1000 kg car travelling over...
3. An engine exerts a force of 10000 N on a 1000 kg car travelling over a flat road. The force (overcoming friction) accelerates the car from rest such that it travels a distance of 50 m in 5 s Find e. the net acceleration of the car, f. normal force exerted by the road on the car, and g. the coefficient of kinetic friction between the car and the road? 4. A 10 kg block is initially at rest...
To the nearest newton, what is the required net force to give a bicyclist and bicycle...
To the nearest newton, what is the required net force to give a bicyclist and bicycle with a combined mass of 87.3 kg an acceleration of 2.34 m/s2? A car initially contains just its driver. The combined mass of car and driver is 1400 kg. When the gas pedal is pushed down all the way, the car reaches its maximum acceleration of 3.1 m/s2. If the driver then picks up three of his friends, the combined mass is increased by...
Two forces of 200 N each are applied to an object, such that they are at 140 degree from each other. what is the magnitude of the third force necessary to keep the object stationary? A satellite in a stable circular orbit around the Earth, travelling at 2.3 Times 10^2 km above the ocean has a period of The planet Venus has a period of 225 days in its orbit around the sun. The mean radius of its orbit is:...
1. A 10,000 KG truck is traveling at +20 m/s. What would
happen to the momentum of the truck if it increases in velocity in
the same direction?
2. A 120 KG rugby player is running toward another player at 5
m/s. How much force needs to be applied over one second in order to
bring him to a stop?
3. if the acceleration of an object decreases, what happens to
the inertia?
A 10,000kg truck is traveling at +20m/s....
2 points) 7 A worker pushes done? horizcetally on a large crate with a force of 300 N, and the crate moved 5.0 m. How much work was LASO kg bag ofsugar is on a counter. How much work is done to put the bag on a shelfadístance of OAS m above the counter? 9.Aman pushes a lawn mower on a level lawn with a force 200 N. ir40% ofthe force is directed downward, how much work is done by...
A 1300-kg rocket has a net propulsion force of 40 KN (kiloNewtons). Over a short time period, it uniformly speeds up from an initial velocity of 30 m/s to a inal velocity of 55 m/s. Assume that the mass of u rocket is constant during this time pend and that the net force is along the direction of motion. what is the work done on the rocket n knopole Submit Arser Tries 0y3
The rolling resistance of steel is typically mu_r = .002. If a train weighing 160,000 kg is rolling at 12m/s and the engineer turns off the engine to let the train cruise to a stop, how much time will it take to come to a stop? How far will the train move during this time? What is the drag force on a 1.5 m wide, 1.8 m high car traveling at 20 m/s? A 22 cm diameter bowling ball has...
A 1300-kg rocket has a net propulsion force of 50 kN (kiloNewtons). Over a short time period, it uniformly speeds up from an initial velocity of 35 m/s to a final velocity of 60 m/s. Assume that the mass of the rocket is constant during this time period and that the net force is along the direction of motion. What is the change in speed of the rocket in m/s and in mph? m/s mph Submit Answer Tries 0/2 What...
3. An engine exerts a force of 10000 N on a 1000 kg car travelling over a flat road. The force (overcoming friction) accelerates the car from rest such that it travels a distance of 50 m in 5 s Find e. the net acceleration of the car, f. normal force exerted by the road on the car, and g. the coefficient of kinetic friction between the car and the road? 4. A 10 kg block is initially at rest...
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