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A 5.3kg box is on a frictionless 36^\circ slope and is connected via a massless string over a massless, frictionless pulley to a hanging 1.6kg weight. A- What is the tension in the string if the 5.3kg box is held in place, so that it cannot move? B- If the box is then released, which way will it move on the slope? C- What is the tension in the string once the box begins to move?
Two tug boats are towing a ship. Each exerts a horizontal force of 5 tons, What net force is exerted on the ship
Water has a density of 1000 kg/m^3. One atmosphere is 1.013 X 10^5 N/m^2. Find the pressure in the upper pipe
One of the asteroids, asty, looks like an elongated potato. Surprisingly it has a tiny (compared to asty) spherical moon! Find the acceleration of gravity on the surface of this little moon
Define work and energy. State the law known as the work-energy theorem, What are elastic and inelastic collisions
A movie camera with a (single) lens of focal length 70 mm takes a picture of a person standing 28 m away. what is the height of the image in millimeters on the film
What is the total magnitude of the magnetic flux by the coil before it is rotated.
A 0.2-kg ball is bounced against a wall. It hits the wall with a speed of 20 m/s at a 10 degree angle and rebounds elastically at a 10 degree angle
A baseball pitcher throws the ball in a motion where there is rotation of the forearm about the elbow joint as well as other movements. what is the rotational kinetic energy of the forearm
An object, 0.75 cm tall, is placed 12.0 cm to the left of a diverging lens (f = -8.00 cm). determine the focal length of the converging lens
What is the de Broglie wavelength of a neutron that has fallen 0.80m in a vacuum chamber, starting from rest
A pesky 1.7-mg mosquito is annoying you as you attempt to study physics in your room, What is the maximum uncertainty in the horizontal position of the mosquito
An air-track glider is attached to a spring. The glider is pulled to the right and released from rest at t=0 s. What is the amplitude of the oscillation
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