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1. A 12.0 kg watermelon is at rest upon a table. FIND
a) the force of gravity and
b) the normal force
2. A 12.0 kg watermelon is at rest upon a ramp that is raised to an angle of 27.0o. Draw the free body diagram and FIND
a) the force of gravity
b) the horizontal component of the force of gravity
c) the vertical component of the force of gravity
d) the normal force.
The figures show a hypothetical planetary system at two different times. The spatial coordinates (x, y) of the bodies are given in Astronomical Units (AU). Find the magnitude, dS, of the star\'s displacement
question1a long solenoid with 70 turns of wire per centimeter carries a current of 0.16. the wire that makes up
The air-track carts in the figure are sliding to the right at 1.0 m/s. The spring between them has a spring constant of 120 N/m and is compressed 4.5 cm. Compute the speed of the air track carts held by a string together.
The first puck is deflected 38 below the +x axis and moves off at 0.37 m/s. Find out the speed and direction of the second puck after the collision.
Suppose the temperature of 4.72 L of ideal gas drops from 351 K to 275 K. (a) If the volume remains constant and the initial pressure is atmospheric pressure, Find the number of moles of gas
A thin rod (length = 1.42 m) is oriented vertically, with its bottom end attached to the floor by means of a frictionless hinge. What is the magnitude of the angular acceleration of the rod just before it strikes the floor
A movie star catches a reporter shooting pictures of her at home. She claims the reporter was trespassing, and to prove her point, How far away from the subject was the camera sensor
The only two forces acting on a body have magnitudes of 20N and 38N and a directions that differ by 76 degrees. What is the mass of the body
A solenoid coil has a radius of 7.2 cm, a lenght of 31.5 cm, and has a 380 turns of wire. Calculate the field strength inside the coil
q1. for a damped oscillator with a mass of 280 g a spring constant 140 nm and a damping coefficient of 74 gs what is
A velocity selector 1ms a magnetic field of magnitude 0.3 T perpendicular to an electric field of magnitude 0.32 MV/m. The mass of an electron is 9.11 times 10-31 kg. How much energy must electrons have order to pass through undeflected? Answer in un..
A 50g ball of clay traveling at speed v0 hits and sticks to a 1.0kg block sitting at rest on a frictionless surface. what os the speed of the brick after the collision
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