A constant net force of 300 N is applied to accelerate a cart from rest to a velocity of 40m/s in 8s. What is the mass of the cart?

Q: A 2.0-kg brick is moving at a speed of 6.0 m/s. How large a force F  is needed to stop the brick in…

A: a=dv/dt dv= change in velocity = 6.0 m/s dt=0.7 s a=6.0/0.7=60/7 m/s^2

Q: What force is necessary in order to change the velocity of a 2.00 kg object from -4.00 m/s to +3.00…

A:

Q: What is the magnitude of the net force needed to bring a 2085 kg car to rest from 25.6 m/s in 9.3…

A: Solution: Given that mass m= 2085 kg vinitial = 25.6 m/s time t = 9.3 s to find the force required

Q: A 19 gram bullet is accelerated from rest to a speed of 388 m/s as it travels 37 cm in a gun barrel.…

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Q: The parachute on a race car of weight 8 820 N opens at the end of a quarter-mile run when the car is…

A:

Q: ength of the barrel, and it exits the barrel with a speed of 730 m/s. Assuming that the acceleration…

A:

Q: A 2kg mass is launched upward initially at 12.1 m/s. A drag force of 0.7v opposes the motion (where…

A: Given that: Mass of the object, m=2 kg Drag force, F drag=0.7v initial velocity u=12.1 m/s Let time…

Q: Spaceman Spiff needs to turn his 700 kg rocket and go in the opposite direction to escape the Zoks.…

A: Given : m = 700 kg vi = -3710 m/s (negative because moving in opposite direction) vf = 5781 m/s F =…

Q: A net force of 5.30 N acting for 4.10 s on a mass initially at rest causes it to travel 4.95 m in a…

A: F = 5.30 N t = 4.10 s vi = 0 s = 4.95 m m = ?

Q: The net force on block A equals to 47.4 N, and the mass of block A is 14.5 kg.  If at t=0 sec, the…

A: Write the given data with suitable variables. F=47.4 Nm=14.5 kgu=0 m/st=4.8 s Here, F denotes the…

Q: Fernanda is standing on a scale while riding an elevator. The elevator accelerates upward from rest…

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Q: Somone is standing on a piece of cardboard holding a wire that is attached to a vehicle.  The…

A:

Q: What average force is required to stop a 1800 kg car in 9.0 s if the car is traveling at 90 km/h ?

A: Given: A 1800 kg car traveling at a speed of 90 km/h.

Q: A 10 kg object starts from rest and achieves a speed of 20 m/s in 10 s. How much force (in N) acted…

A: Mass of the object m=10 kg The initial speed of the object u =0 m/s The final speed of the object v=…

Q: A 1640-kg car is traveling with a speed of 17.6 m/s. What is the magnitude of the horizontal net…

A: Given data:  Mass (m) = 1640 kgInitial velocity (v0) = 17.6 m/sFinal velocity (v) = 0 m/sDistance…

Q: A 747 jetliner lands and begins to slow to a stop as it moves along the runway. If its mass is…

A: case 1the deceleration is given by

Q: A rocket sled accelerates to 41 m/s. When the rocket engine stops, the sled skids along its rails.…

A:

Q: The velocity of a body of mass 20 kg increases from 5 m/s to 20 m/s in a distance of 100 m. The…

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Q: A steam catapult applies a very large force to supplement the engine thrust of a jet fighter as it…

A: We have a jet of mass m=3850 kg which needs to start from rest (initial velocity u=0) to reach a…

Q: A clever coyote uses rocket powered skates to try to catch a roadrunner. The mass of the coyote is…

A:

Q: a 10kg box accerlerates forward at a rate of 12 m/s. what is the force of the box?

A: Mass = 10 kg Acceleration = 12 m/s2 Force = ?

Q: What net force is required to make a 15 kg box move at a constant speed of 2.0 m/s.

A: Given: Mass, m = 15 kg; constant speed, v = 2.0 m/s

Q: In a head-on collision, a car stops in 0.14 ss from a speed of 11 m/sm/s . The driver has a mass of…

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Q: A car of mass 6000 kg moving at 40 m/s is suddenly brought to a stop when a deer crosses the road.…

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Q: A car (mass 1000 kg) is traveling at 60 mph (26.82 m/s) when the driver notices a cat 50 m ahead in…

A: The car’s acceleration is calculated from the kinematics equations, Since the car comes to a stop,…

Q: A child of mass 26 kg , is sliding down a water-slide that has an angle of 32 deg. If the water…

A:

Q: A 747 jetliner lands and begins to slow to a stop as it moves along the runway. If its mass is…

A: Acceleration is,

Q: Mary applies a force of 77 N to push a box with an acceleration of 0.55 m/s2. When she increases the…

A:

Q: In a grocery store, you push a 15.4 kg shopping cart horizontally with a force of 13.4 N. If the…

A: Given Mass of cart m = 15.4 kg Force F = 13.4 N We have to find out how far this cart move in 2.50…

Q: A certain aircraft has a mass of 300,000 kg. At a certain instant during its landing, its speed is…

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Q: A boat and its passengers have a combined mass of 5.10x10^2 kg. The boat is coasting into a pier at…

A:

Q: A bucket of water with a mass of 5 kg is accelerated upward by cord of negligible mass having a…

A: Ans:- Image-1

Q: A mass of 95 kg is on a scale in an elevator. The scale reads 830 N for the first 3s after the…

A:

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!