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A softball of mass 0.220 kilogram that is moving with a speed of 4.0 m/s (in the positive direction) collides head-on and elastically with another ball initially at rest. Afterward it is found that the incoming ball has bounced backward with a speed of 1.6 m/s.
(a) Determine the velocity of the target ball after the collision?
m/s
(b) Estimate the mass of the target ball?
kg
A man walking on a tightrope carries a long a pole which has heavy items attached to the two ends. If he were to walk the tight-rope with just a pole, what difference would it make to his balance
If the heat necessary to warm 855 g of water from a temperature of T1 = 24.0 °C to T2 = 80.0 °C were somehow converted to translational kinetic energy of this amount of water
would you be willing to back financially an inventor who is marketing a device that she claims takes in 25000j of heat
The medical profession divides the ultraviolet region of the electromagnetic spectrum into three bands: UVA (320-420 nm), UVB (290-320 nm), and UVC (100-290 nm). Find the frequency range associated with UVB radiation
Electrons are accelerated from rest through an electric potential difference of 250kV, then the potential difference is changed to 60kV. What is the ratio of the two de Broglie wavelengths produced by the electron
If Wave B's amplitude is instead -13.4 mm, what is the amplitude of the wave pulse formed while they are interfering
a bird stands on a dc electric transmission line carrying 2900 a. the line has 2.6times10-5 resistance per meter and
A Styrofoam box has a surface area of 0.79 m2 and a wall thickness of 2.0 cm. determine the thermal conductivity of the Styrofoam.
during a process 10j o work are performed on a system while the system itself gives off 5j of heat. the internal energy
What is the maximum sideways angle. What is the train's acceleration after its wheel begins to stick.
Three point charges are located near a spherical Gaussian surface of radius R = 6 cm. What is the electric flux through this surface
a small fly of mass 0.25 g is caught in a spiders web. the web vibrates predominately with a frequency of 4.0 hz.a what
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