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A meterstick lies along the optical axis of a convex mirror of focal length -48 cm, with its nearest end 63 cm from the mirror. How long is the image of the meterstick?
A 1.00 kg beaker containing 2.0 kg of oil (density=916-kg/m3) rests on a platform scale. A 2.00 kg block of iron is suspended from a spring scale and is completely submerged in the oil.
State the direction as an angle with respect to the +x axis.
A submarine is 308 m horizontally out from the shore and 141 m beneath the surface of the water. find the height of the building
A weather vane initially at rest has a moment of inertia of 0.125 kg · m2 about its axis of rotation. Find the angular velocity of the weather vane just after it is struck
A speedboat moving at 33.0 m/s approaches a no-wake buoy marker 100 m ahead. The pilot slows the boat with a constant acceleration of ?3.20 m/s2 by reducing the throttle. (a) How long does it take the boat to reach the buoy? (b)What is the velocit..
A person jumps up and down on a trampoline, while staying in contact with it. The motion is simple harmonic motion and it takes 1.90s to complete one cycle.
q1. a 35 g horizontal metal bar 11 cm long is free to slide up and down between two tall vertical metal rods. a
imagine a linebacker collides with a stationary quarterback and they become entangled. what will happen to the velocity of the linebacker-quarterback system if momentum is conserved.
Two satellites, A and B, are in different circular orbits about the earth. Find the ratio (TA/TB) of the periods of the satellites
The small spherical planet called "Glob" has a mass of 6.54×10^18 kg and a radius of 6.29×10^4 m. An astronaut on surface of Glob throws a rock straight up. The rock reaches a maximum height of 2.00×103 m, above the surface of planet, before it falls..
An airplane pilot wishes to fly due west. A wind of 72.0 km/h is blowing toward the south, What is the speed of the plane over the ground
Assuming no heat loss to the surrounding environment, determine the minimum duration of time necessary for a 100 W aquarium tank heater to raise the temperature of 20.0 gallons of water by a difference of 10.0°C.
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