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Q. The force on a particle is directed along an x axis and given by F = 0.97(x/4.6 - 0.52) where x is in meters and F is in Newtons. Find the work done by the force in moving the particle from x = 0 to x = 8.9 m.
Q. Water drips from the nozzle of a shower onto the floor 190 cm below. The drops fall at regular (equal) intervals of time, the first drop striking the floor at the instant the fourth drop begins to fall.
(a) Find the location of the third drop as measured from the nozzle of the shower when the first drop strikes the floor.
(b) Find the location of the second drop as measured from the nozzle of the shower when the first drop strikes the floor.
What is tension in the wire
Compute the coefficient of kinetic friction
A ray of light incident upon a mirror makes an angle of 42 with the mirror. What is an angle between the incident ray and the reflected ray.
A gymnast with mass m1 = 49 kg is on the balance beam that sits on (but is not attached to) two supports. The beam has a mass m2 = 126 kg and length L = 5 m. Each support is 1/3 of the way from each end. Initially the gymnast stands at the left en..
A plate carries a charge of -3.7 C, while a rod carries a charge of +1.9 C. How many electrons should be transferred from the plate to the rod, so that both objects have the same charge.
A car of mass M = 800kg travelling at 50km/hour enters a banked turn covered with ice. The road is banked at an angle 20degrees, and there is no friction between the road and the car's tires.
Determine magnitude of the force from the ground on each front wheel. what is magnitude of the duck's velocity.
An ideal gas is expanded isothermally from 20L to 30L. During thismethod , 6J of energy is expended by the external mechanism that expanded the gas. Which of the statements is correct.
A ball of mass 1.024 g and positive charge q =40.3microC is suspended on a string of negligible mass in a uniform electric field. We observe that the ball hangs at an angle of theta=15.0o from the vertical. What is the magnitude of the electric field..
What would be the equilibrium temperature when a 256 g block of copper at 314 °C is placed in a 140 g aluminium calorimeter cup containing 827 g of water at 11.5 °C.
Consider a too-small space station that consists of a 2.7m radius rotating sphere. A man standing inside is 1.9m tall and his feet are at 1g. What is the acceleration of his head.
What is the terminal speed at which the bar falls? Imagine the bar remains horizontal and in contact with the rods at all times.
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