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1. How much heat is required to raise the temperature of 250 g of ice from zero degree Celsius to water at 20 degrees Celsius?
2. A small piston of a hydraulic press has an area of 5 sq. cm. The large piston has an area of 40 sq. cm. What force must be exerted on the small piston to lift a 800-N load on the large piston?
3. A tube has an initial volume flow rate of 100 cc/sec, using Poiseuille's law, calculate the new volume flow rate when the viscosity and change in pressure are halved, with other factors remaining constant.
4. A pressure of 10 Pa is applied through a piston uniformly on the surface of water in a cylinder. How much of this pressure if it is 80 cm deep?
What portion of jet power lost to producing sound Powdered steel is placed in a container
A 27 pound meteorite struck the car, leaving a dent 24 cm deep in the trunk. If the meteorite struck the car with a speed of 440 m/s, what was the magnitude of its deceleration, assuming it to be constant.
Velocity and time for the moving particle.
Car A uses tires for which the coefficient of static friction is 1.1 on a particular unbanked curve. The maximum speed at which the car can negotiate this curve is 25 m/s. Car B uses tires for which the coefficient of static friction is 0.65 on the s..
A coin rests 14.60 cm from the center of turntable. The coefficient of static friction between the coin and turntable surface is 0.350. The turntable starts from rest at t = 0 and rotates with the constant angular acceleration of 0.8400 rad/s2.
Computing the probability of reflection and transmission of a particle at walls of a barrier.
How long does it take for the grinding wheel to stop ? Through how many radians has the wheel turned during the interval found in.
What was the average acceleration throughout the trip
A ranger in a national park is driving at 59 km/h while a deer jumps onto the road 61 m ahead of the vehicle. After a reaction time of t s, ranger applies the brakes to produce an acceleration of -3 m/s2. What is the maximum reaction time allowed if ..
A 56.0 kg person jumps from rest off the 9.0 m high tower straight down into the water. Neglect air resistance throughout the descent. She comes to rest 3.40 m under the surface of the water. Find out the magnitude of the average force that the water..
A mass of 1.62 kg stretches a vertical spring 0.328 m. If the spring is stretched an additional 0.136 m and released, how long does it take to reach the (new) equilibrium position again.
Find out the angular velocity
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