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Question: A ball is thrown upward from a platform 4.0 m high with a speed of 23 m/s at an angle of 37o from the horizontal. What is the magnitude of its velocity when it hits the ground?
A person has a far point of 33 cm. What power glasses would correct this vision if the glasses were placed 2.1 cm from the eye
A sinusoidal wave travels along a stretched string. A particle on the string has a maximum velocity of 0.900m/s, What is the frequency and amplitude of the wave
how much money does it cost to leave a 100 watt light bulb on for 1 hour if electricity sells for 10cents per kW-h. a) 1cent b) 8 cent c) 22 cent d) 44cent e)100 cent
A water gun is filled and pumped up. It is held horizontal and fired at a height of .95 m above the ground. Determine the gauge pressure of the water in the gun's reservoir
A charged particle is injected at 153 m/s into a 0.0623-T uniform magnetic magnetic field perpendicularly to the field. What is the charge-to-mass ratio of this particle
An object whose rotational inertia is 100 kgm2 is subjected to a torque of 20 Nm. During this time, what is its rotational displacement
Initially, an object is 12cm to the left of a convex lens of focal length 8.2cm, then a concave (diverging) lens of local length -9cm is placed 20cm to the right of the convex lens, find the Image distance from concave lens
what is the equation for gravitational potential energy?what is the equation for kinetic energy?define conservation of
A jetliner, traveling northward, is landing with a speed of 65m/s. Once the jet touches down, it has 715 m of runway in which to reduce its speed to 6m/s
Suppose you have a spring-loaded projectile launcher. Aim it straight upwards, compress the spring 1 cm, then launch a projectile from rest. You find that it rises 20 cm above the end of the spring.
A gun with muzzle velocity of 1200 ft/sec is fired at an angle of eight degrees above the horizontal. Find the horizontal and vertical components of the velocity
Three equal charges of q= +4.00x10^-7 care located at the corners of a right triangle whose sides are the length 6.00cm, 8.00cm, and 10.00cm. Find the net force of the charge located
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