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An oscillating block-spring system has a mechanical energy of 2.27 J, an amplitude of 8.07 cm, and a maximum speed of 1.43 m/s. Find (a) the spring constant, (b) the mass (in kg) of the block and (c) the frequency (in Hz) of oscillation.
A rock is thrown from the roof of a building with a velocity vo and an angle of alpha(o) from the horizontal, Calculate the magnitude of the velocity of the rock just before it strikes the ground
how long is the eagle in the air?
The size of an oil container measures 30m in length x 30m in width and a height of 10 m. Estimate the density of the crude oil inside the container
question1a projectile that is fired up from a gun has an initial velocity of 94.0 kmh at an angle of 57.0deg above the
A piece of cheese with a mass of 1.30kg is placed on a vertical spring of negligible mass and a force constant k= 1600 N/m that is compressed by a distance of 16.2cm. how high does the cheese rise from this initial position
Calculate the energy of a photon required to excite a hydrogen atom from the n = 5 state to the n = 6 state
A star moving away from the Earth at 0.320c emits radiation that we measure to be most intense at the wavelength 530 nm. Determine the surface temperature of this star
q1. a student drops a penny from the top of a tower and decides that he will establish a coordinate system in which the
A mass-spring system oscillates with an amplitude of 5.50cm. If the spring constant is 247N/m and the mass is 584g, determine the mechanical energy of the system
The cannonball is fired at a speed of 53.0 and an angle of 31 above horizontal. A cannonball that was accidentally dropped hits the moat below in 1.40. How far from the castle wall does the cannonball hit ground.
A 4.60 kg block of ice at 0°C is added to an insulated container partially filled with 11.6 kg of water at 15.0°C. Find the mass of the ice that was melted
You and your surfing buddy are waiting to catch a wave a few hundred meters off the beach. The waves are conveniently sinusoidal, What is the frequency of the waves, Find the speed of the waves
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