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Question: If the driver of an automobile wishes to increase the speed from 40 km/hr to 100 km/hr while traveling a distance of 200 m, what constant acceleration should be maintained?
Agent Arlene devised the following method of measuring the muzzle velocity of a rifle. She fires a bullet into a 4.600-kg wooden block resting on a smooth surface, What is the speed v of the bullet
A woman is walking up a mountain trail at a constant speed. Whileshe is walking she ingests a candy bar that supplies 745 Cal ofenergy. The work she does while climbing results in an increase ofgravitational potential energy of 469 Cal.
A jumper in the long jump goes into the jump with a speed of 12.0 m/s at an angle of 20 degrees above the horizontal. How far does the jumper jump.
A child sits on a rotating Merry-go-round, 2.3 m from its center.If the speed of the child is 2.2 m/s, what is the minimumcoefficient of static friction between the child and the merry-go-round that will prevent the child from slipping?
A 1500 kg car moving on horizontal roa with speed of 30 m/s coasts to a stop in 1800 m, once the motor is turned off. What is the resultant force of air resistance
You are riding in a thrill ride at the State Fair, where you are spun around in a large, what is the length (approximately) of the arm
A 68.1-kg basketball player jumps vertically and leaves the floor with a velocity of 1.92 m/s upward. (Take upward as positive and forward as positive.), What impulse does the player experience
A block of mass 12.0 kg slides from rest down a frictionless 35.0° incline and is stopped by a strong spring with k = 2.80 104 N/m. how far has the spring been compressed
A capacitor is charged to a potential of 12.0 V and is then connected to a voltmeter having an internal resistance of 3.50 M?. After a time of 3.80 s, What is the time constant of the circuit
An iron wire has a cross-sectional area equal to 1.45 10-5 m2. find the drift speed of conduction electrons in this wire
A person with a weight of 280 lb stands on two feet wuth their weight equally distributed between the shoes, What is the pressure on each show independently
A satellite circles the earth in an orbit whose radius is 1.83 times the earth's radius. What is the period of the satellite
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