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On vacation, your 1100 kg car pulls a 540 kg trailer away from a stop light with an acceleration of 2.10 m/s2.
(a) What is the net force exerted on the trailer? __kN
(b) What force does the trailer exert on the car? __kN
(c) What is the net force acting on the car? __kN
A bucket filled with dirt of mass 22 kg is suspended by a rope that hangs over a pulley of mass 31kg and radius 0.15 m. everything is at first at rest.
If an airplane has airspeed 100 km/hr southwest but is traveling 140 km/hr south relative to the ground
Two cars are traveling along a straight line in the same direction, the lead car at 25.2m/s and the other car at 31.0m/s. At the moment the cars are 41.9m apart, the lead driver applies the brakes, causing her car to have an acceleration of -2.07m..
Assume a neuron in the brain carries a current of. Treating the neuron as a straight wire, what is the magnetic field it produces at a distance of 7.50.
A pot of hot water is boiling on your stove. The pot is in the shape of a round cylinder made of aluminum which is 10 cm in radius. How much energy is required to boil away M kg of water
Illustrate what is the smallest angle of incidence with respect to the top mirror, such that the laser beam hits the mirrors in each way?
A 1.25 Kohm and a 8.10 Kohm resistor are connected in parallel, what is the maximum voltage that can be applied across the whole network
A 2.50-g bullet travelling at a speed of 425 m/s, strikes the wooden block of a ballistic pendulum, such as that Figure in 7.12. The block has a mass of 215 g. Calculate the speed of the bullet/block combination quickly after the collision.
A bartender slides a beer mug at 1.30 m/s towards a customer at the end of a frictionless bar that is 2.0m tall. The customer makes a grab for the mug and misses, and the mug sails off the end of the bar.
Two spheres are cut from a certain uniform rock. One has radius 4.30cm. The mass of the other is six times greater. Find its radius.
A parallel-plate capacitor has square plates of edge length 2.4 cm and a plate spacing of 0.017 mm. If the gap between the plates is a vacuum
A small car with mass 0.690 travels at constant speed on the inside of the track that is a vertical circle with radius 5.00. If the normal force exerted by the track on the car when it is at the top of the track (point) is 6.00, what is the normal fo..
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