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Q. A massive cable is attached to a 75.0 kg mass on a frictionless surface and a horizontal force of magnitude F accelerates the arrangement as shown in Figure P.52. If the force of the cable on the mass has a magnitude 0.800F, what is the mass of the cable?
Q. A train starts at rest at a station and accelerates at a rate of 2.0 m/s^2 for 20 seconds. Then, this train runs at a constant speed for 100 seconds and slows down at a rate of 5.0 m/s^s until it stops at the next station. Calculate the total distance covered by the train.
A freight company uses a compressed spring to shoot 1.7 kg packages up a 1m high frictionless ramp into a truck. The spring constant is 241 N/m and the spring is compressed 33 cm.
A man takes his dog out for a walk. The dog has no legs and is dragged along sidewalk on a little sled (mass of dog + sled = 13.0kg). The sidewalk exerts a frictional force of 14.0N.
Calculate for the capacitance, the charge of plate, and magnitude of electric field between the plates for a capacitor whose plates are 11 mm apart are 2.00 m-2 in area and being connected to a source with potential difference of 270V.
The hemisphere is placed on its flat surface, with the center directly over a 2.5 mm long line drawn on a sheet of paper. What length of line is seen by someone looking perpendicularly down on the hemisphere?
The leg and cast weigh 177N (w1). Find out the weight w2 and the angle α required so that no force is exerted on the hip joint by the leg plus cast.
What is the separation distance between speaker and listener
A certain light truck can go around a flat curve having a radius of 150 m with a lowest speed of 38.0 m/s. With what maximum speed can it go around a curve having a radius of 87.0 m.
A 10 kg runaway grocery cart runs into a spring with spring constant 240N/m and compresses it by 65cm. What was the speed of the cart just before it hit the spring.
Determine the tension in each cable if boat has a mass of 490 kg and the angle of each cable is 50 degrees from the horizontal and the boat is being momentarily held at rest. Evaluate this to the tension when the boat is raised and held at rest so th..
A car goes round a flat curve at a speed of 32 ms-1. If the radius of the curve is 200 m, find the minimum value for the coefficient of friction so that the car can go around the curve without skidding.
A dolphin located in seawater at a temperature of 25 °C emits a sound directed toward the bottom of the ocean 200m below. How much time passes before it hears an echo.
The parallel metal plate of a capacitor is separated by a distance of 0.5cm and is connected to a 90v battery. Discover an electric field between them and the surface charge density .
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