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An 88 kg running back moving at the 6.0 m/s forms a perfectly inelastic collision with a 115 kg linebacker who is primarily at rest. Determine the speed of the players just after their collision
The mass of bullet is around12.4 g, the mass of block is 11.1 kg, the bullet's impact speed is 880 m/s, and the coefficient of kinetic friction among the block and the table is 0.220. (Suppose that
A GaAs crystal is on the coordinate system such that an arsenic atom sits at the position 0,0,0 and a gallium atom sits at (a/4),(a/4),(a/4).
Explain what does three resistors joined in series mean. Write down the relationship between the voltages across and the currents flowing via each one of them?
A rock of 5.39 kg whose density is 5060 kg/m3 is hanged by a string such that half of the rock's volume is beneath water. Determine the tension in the string?
A 7.2 cm × 7.2 cm × 7.2 cm wood block having a density of 660.55 kg/m3 floats in water. Determine the distance from the top of the block to the water when the water is fresh?
An ice cube of 97.4 g at -13°C is positioned in an aluminum cup whose initial temperature is 80°C. The system comes to an equilibrium temperature of 22°C. Determine the mass of the cup?
An aluminum pan of 684.02 g is eliminated from the stove and plunged into a sink filled with 11.72 L of water at 20°C. The water temperature quickly increases to 26°C. Determine the initial
185.9 J of heat energy are transferred to 17.23 g of mercury. Determine by how much does the temperature rise?Determine how much heat is required to increase the temperature of 17.23 g of water by the
Determine the absolute pressure of the air in your car's tires, in psi, if your pressure gauge points out they are inflated to 36.38 psi? Suppose that you are at sea level.
A straight rod comprises of a 1.48 cm long piece of aluminum joined to a 3.05 cm long piece of steel. Determine by how much will the length of the rod modify if its temperature is raised from 16°
A circular track consist of a circumference of 314m with AB as one of its diameters. A cyclist’s travel from A to B all along the circular path. Determine (i) Distance moved by the cyclists. (
A ball of 300 g swings in the vertical circle at the end of a 1.7 m long string. If the ball is at the bottom of the circle, the tension in the string is 19N. Determine the speed of the ball at that
Approximating the man through a vertical cylinder of radius Rm = 0.205 m, find out an equation (specific expression) for the angular velocity of the platform as a function of time. Find out the angu
If a surface is illuminated with light of wavelength λ, the maximum kinetic energy of the emitted electrons is 1.1eV. When the wavelength .8λ is employed, the maximum kinetic energy of
The outdoor circular fish pond consists of a diameter of 4.00 and a uniform full depth of 1.90. A fish halfway down in the pond and 0.50 from the near side can just see the full height of a 1.84 tal
At this point, the person doing the laundry opens the lid, and a safety switch turns off washer. The tub smoothly slows to rest in 12.0 s. During how many revolutions does the tub turn as it is in m
A partially vacated airtight container consists of a tight-fitting lid of surface area 77 cm2 and negligible mass. When the force needed to remove the lid is 484 N and the outside atmospheric pressu
A proton is originally moving west at a speed of 1.02 x 106 m/s in a uniform magnetic field of magnitude 0.277 T directed vertically upward. Explain in detail the proton's trajectory, comprising its
Tendon forces Ta and Tb are applied on the patella. The femur applies force F on the patella. When Tb = 80 N, determine the magnitudes of Ta and F if no motion takes place at the joint? (Hint: Consi
A butterfly flies from the top of a tree in the center of the garden to rest on top of a red flower at the garden's edge. The tree is 8.0 m taller than the flower and the garden is 12 m wide. Find o
A high diver of mass 50.0 kg jumps off the board 10.0 m above the water. When his downward motion is stopped 1.00 s after he enters the water, determine what average upward force did the water apply
The current in inner loop is 1A in the clockwise direction. The current in the outer loop is 2A in the counter-clockwise direction. Employ the superposition to determine the magnetic field (bo
An alpha particle (the nucleus of helium atom) consists of a mass of 6.64 x 10-27 kg and a charge of +2e. Determine the magnitude and direction of the electric field which will balance the gravitati
In a cyclotron (one kind of particle accelerator), a deuteron (of atomic mass 2.00 u) reaches a final speed of 8.00% of the speed of light while moving in the circular path of radius 0.405 m. The de