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A 2.0 kg baseball bat 1.2 meters long is supported at bothends. One end pushes upwards with a force of 6 newtons. What is the upward force at the other end?
A certain substance has a mass per mole of 36 g/mol. When 319 J is added as heat to a 35.0 g sample of this material, How many moles of the substance are present
To pump out a subway, a pump is used that can increase the absolute pressureon the pool of water at the bottom of yhe subway to 400 kpa. what is the flow velocity at street level
X-rays with a wavelength of 7.02 x 10^-12 m strike a stationary electron and the reflected photon is scattered 75 degrees relative to the incident photon. What is the wavelength of the scattered photon?
What is the ratio of the intensities of an earthquake P wave passing through the Earth and detected at two points 17km and 49km from the source, what is the ratio of the amplitudes
A1.20-m-long wire has a resistance equal to0.320?. A second wire made of identical material has a length of1.90m and a mass equal to the mass of the first wire. What is the resistance of the second wire?
an electric generator consists of a rectangular coil of wire rotating about its longitudinal axis which is
A long, thin rod (length = 5.0 m) lies along the x axis, with its midpoint at the origin. In a vacuum, a +6.0C point charge is fixed to one end of the rod, and a -6.0C point charge is fixed to the other end. find the magnitude of the net torque app..
a spark occurs at the tip of a needle if the electric field strength exceeds 3.0x106 nc the field strength at which air
Matthew pulls his little sister Sarah in a sled on an icy surface (no friction) with a force of 60 N at an angle of 600 upward from the horizontal
A block weighing 15.0 N is attached to the lower end of a vertical spring (k = 122.0 N/m), What is the maximum kinetic energy of the block as it oscillates
Three objects are connected on the table as shown in figure. The table is rough and has a coefficient of kinetic friction of 0.350. The objects have masses of 4.00 kg, and 2.00 kg, as shown, and the pulleys are frictionless.
two billiard balls of equal mass undergo a perfectly elastic head-on collision.if one balls initial speed was 1.80ms
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