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Two vehicles approach an intersection at right angles and collide. If vehicle 2 has a mass of 600 kg, vehicle 1 has a mass of 300 kg, and they were both traveling at 13 m/s before the collision, what is the magnitude and direction of the final velocity of the wreck?
An electric power station is producing 1.60 × 103 W of power that is to be sent to a small town located 13 km away, Find the power lost in heating the wires
A car is traveling 17 m/s when the driver sees a child standing on the road. He takes 0.8 s to react, then steps on the brakes and slows at 7.5 m/s2. How far does the car go before it stops.
An elevator has mass 680kg , not including passengers. What is the maximum number of passengers that can ride in the elevator? Assume that an average passenger has mass 65.0 kg
A man pushes a lawn mower on a level lawn with a force of 187 N. If 51 percent of the force is directed horizontally, how much work is completed by the man in pushing the mower 7.0 m.
A 1.5 solid sphere (radius = 0.20 ) is released from rest at the top of a ramp and allowed to roll without slipping. The ramp is 0.50 high and 5.7 long. what is its rotational kinetic energy
In Example problem 12-2, what would the magnitude of the force of elbow be if the mass of the weight was 7.00 kg? When calculating the effect of the force due to gravity on a large extended object, you can act as if the force is applied directly to ..
A sports car with a mass of 1000 kg crashes into the rear an SUV with amass of 2400 kg that is stopped at a RED light. The bumpers lock and two cars skid forward a distance of 3 meters before coming to a stop. if the coefficient of kinetic friction i..
Heat is added to 1.00 10^3 cm^3 of water at atmospheric pressure. The water's temperature increases by 30.9°C. Find the increase in the water's internal energy
At an outdoor market a bunch of bananas is set to oscillatory motion with amplitude of 20.0 cm on a spring with a force constant of 16 N/m.
Given the electrostatic potential field as a function of position V(x,y,z) = 5x^3 y + 5yz +z^2 , determine the electric field vector E
A shel is fired with a horizontal velocity in the positive x direction from the top of an 80-m high cliff. Determine the initial speed of the shell
A block of mass 3.41 kg is attached to a spring (k=31.9 N/m) by a rope that hangs over a pulley of mass M=6.82 kg and radius R=3.61 cm. find the maximum extension of the spring
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