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Romeo and Juliet want to elope. It is a cold Italian day with ice on the ground. the coefficient of static friction between the ladder and the ice is .15. the distance from the ground to the top of the ladder is 5m. The distance from the house to the bottom of the ladder is 3m. The uniform ladder weighs 30N. Romeo weighs 70kg. Can romeo make it up to the top of the ladder? If romeo makes it, what's the maximum that Juliet can weigh?
A slug of mass 0.100 kg moving straight upward at 50.0 m/s collides with a 0.400 kg wooden block that is 20.0 cm long on a side, What is the loss of kinetic energy immediately before/after the hit
Question on constant speed
A uniform 2.95- kg spinning disk with a radius of 0.263 m is brought to rest by a brake-pad pressed against the side 0.205 m from the rotation axis. What frictional force was applied by the brake pad
What is the magnitude of net force causing the acceleration.
A sodium atom (Z = 11) contains 11 protons in its nucleus. Strictly speaking, the Bohr model does not apply, determine the corresponding radius r of the outermost Bohr orbit
A 57.0-kg skier starts from rest at the top of a ski slope of height 67.0. how fast is she going after crossing the patch
In the following exoergic nuclear reaction, 12D + 13T ? 01n + 24He. what percentage of the initial mass is converted into energy
Marathon swimmer DJ is swimming in the Atlantic Ocean. She is moving north with a velocity of 2 m/s relative to the water. What is DJ's absolute or true velocity
On a highly polished, essentially frictionless lunch counter, a 0.410 submarine sandwich moving 2.90 to the left collides with a 0.260 grilled cheese sandwich moving 1.05 to the right. How much mechanical energy dissipates in the collision
A dolphin in seawater at a temperature of 25 °C emits a sound wave directed toward the ocean floor 246 m below. How much time passes before it hears an echo? (The speed of sound in ocean water is 1533 m/s.)
Lightbulbs with the power ratings giving in the figure are connected in a circuit as shown. Find the power dissipated to each bulb
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
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