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If the particle's velocity is perpendicular to the magnetic field at all times, what is the magnitude if the magnetic force exerted on the particle?
A skydiver jumps out of a plane and fall 7.7 seconds before opening the parachute. What is the sky diver's speed when parachute opens?
The peak intensity of sunlight arriving at the upper atmosphere of the Earth is around 1300W/m2. The Earth is situated roughly 55 x 106 km from the Sun. The radius of the Earth is around 6000 km. a)
A 190 kg object is moving 15 m/s. If a net work of 12500 J is done on the object to increase its speed, then use the Work-Energy Theorem to find the final speed of the object.
A long cylinder carries a charge density which is proportional to the distance rom the axis: p = kr, for some constant K. Find the electric field inside and outside of the cylinder?
The direction of the magnetic field in a current carrying coil is parallel to the magnetic dipole moment of the coil.
A 0.07 kg bullet traveling at 577 m/s hits a 5.6 kg block of wood and stays in the wood. What is the velocity of the wood block immediately after the bullet hits it?
An aircraft with a mass of 977 kg accelerates from 0 to 97 m/s in 9.6 seconds, at which time the aircraft launches. What is the kinetic energy of the aircraft when the aircraft launches?
An aircraft weighing 840 N is accelerated at 8.3 m/s/s for 5 seconds, at which time the aircraft launches. Assume the acceleration is constant. What is the force required to launch the aircraft?
An aircraft starts at rest and is accelerated at 14.8 m/s/s for 13 seconds, at which time the aircraft launches. What is the distance traveled from the starting point to the launch point. Assume ac
The catapult on an aircraft carrier can take an aircraft weighing 300,000 N from 0 to 82 m/s in 11 seconds, at which time the aircraft launches. What is the acceleration of the aircraft when it laun
The catapult on an aircraft carrier can take an aircraft from 0 to 215 mph in 12 seconds, at which time the aircraft launches. Express the launch speed in SI units (meter-kilogram-second system; not
Consider two identical +43 microcoulomb point charges placed 89 cm apart. Let there be a +1 nC (1 nanocoulomb = 1E-9 coulomb) test charge midway between them. Calculate the work (in J) required to m
(A) Find the change in classiclal momentumof an electron that accelerates from 0.900c to 0.940c, neglecting relativistic effects. (B) Repeat calculations, using expression for relativistic momentum.
A block starts at rest and slides down a frictionless track it leaves the track horozontally, flys through the air, and subsequently strikes the ground. the acceleration of gravity is 9.8m/s^2 A) w
He finds that by pointing his canoe due east, and paddling at a constant speed of 2.0m/s relative to the water, he is able to reach the island in 42 seconds. Find the speed and direction of the curr
Find the time t required for the cannonball to reach the castle. State your answer in terms of v0, and d
A 0.919 kg particle has a speed of 6.5 m/s at point A and kinetic energy of 5.9J at point B. What is the total work done on the particle as it moves from point A to B?
The electric field strength is 50,000 N/C inside a parallel-plate capacitor with a 2.0mm spacing. A proton is released from rest at the positive plate. What is the proton's speed when it reaches the
A string is wrapped around a pulley that consists of a disc of mass 2 kg and radius 0.3 m. Hanging from the string is a mass m = 3 kg. What is the acceleration of the mass m?
A submarine dives to a depth of 302 feet in the ocean. What is the force (in pounds) acting on a hatch that has an area of 3.1 square feet?
(a) what is the resulting angular speed of the platform and (b) what is the ratio of the new kinetic energy of the system to the original kinetic energy?
A ball of mass 0.208 kg has a velocity of 1.41 i m/s; a ball of mass 0.305 kg has a velocity of -0.409 i m/s.They meet in a head-on elastic collision. (a) Find their velocities after the collision.
Suppose you wish to make a solenoid whose self-inductance is 1.0 mH. The inductor is to have a cross-sectional area of 1.80 x 10-3 m2 and a length of 0.053 m. How many turns of wire are needed?