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A 800kg car pushes a 1900kg truck that has a dead battery. When the driver steps on the accelerator, the drive wheels of the car push against the ground with a force of 5000N . Rolling friction can be neglected.Part AWhat is the magnitude of the force of the car on the truck?Express your answer to two significant figures and include the appropriate units.Part BWhat is the magnitude of the force of the truck on the car?Express your answer to two significant figures and include the appropriate units.
Two blocks of masses 1.0 kg and 3.0 kg connected by a spring rest on a frictionless surface. what is the velocity of the second
An infinite line of charge produces a field of magnitude 3.4 × 104 N/C at a distance of 2.5 m. Calculate the linear charge density
Two point charges Q1 = +5.70 nC and Q2 = %u22122.40 nC are separated by 25.0 cm. What is the potential energy of the pair of charges
A horizontal force of 750 N is needed to overcome the force of static friction between a level floor and a 250-kg crate. what is the coefficient of static friction
A 3.20 kg steel ball strikes a wall with a speed of 10.0 m/s at an angle of 60.0° with the surface. what is the average force exerted on the ball by the wall
A 58 g tennis ball is served at 40 m/s. Find the de Broglie wavelength of the tennis ball
A satellite has a mass of 6155 kg and is in a circular orbit 4.76 × 105 m above the surface of a planet. What would be the true weight of the satellite if it were at rest on the planet's surface
A wheel spinning at 25 rev/s is slowed to a stop by a constant acceleration while turning 50rev. What is the magnitude of the constant acceleration
A typical coal-fired power plant burns 310 metric tons of coalevery hour to generate 780MW of electricity. 1metricton=1000kg. What is the power plant's thermal efficiency
Light traveling in henzene (n 1.50) is incident on the flat surface of a piece of plastic. What is refractive index of the plastic
What is the crankshaft's angular acceleration, How many revolutions does it make while reaching 3600{\rm rpm}
An electric motor with a power of 3W is used to lift a .2 kg mass a height of 0.5 meters in 3.0 seconds, since total energy must be conserved
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