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Problem: You swing a 2.20kg stone in a circle, using the full length of a thin 70.0cm rope. At what speed should you swing it so its acceleration will be 9.8 m/s2?
Please explain step by step solution for above problem.
A moving particle encounters an external electric field that decreases its kinetic energy from 10270 eV to 7400 eVas the particle moves from position A to positionB. The electric potential at A is -52.0 V, and the electric potential at Bis +27.7 V..
Two cars approach an ice-covered intersection. One car, of mass 1.27 103 kg, is initially traveling north at 12.1 m/s, Find the velocity of the center of mass of the two-car system just after the collision
Find the speed of light in diamond and flint glass
a proton is rotating in a 7.19 * 10^ -11 m radius circle with a frequency of 5 * 10 ^15 Hz, How large is the resultant magnetic field
The motor of a table saw is rotating 3450 rev/min. A pulley attached to the motor shaft drives a second puller of half the diameter by means of a V-belt. Compute the radial acceleration of points on the outer edge of the blade
A circular coil with one turn is in a perpendicular (timedependent) magnetic field given by B = 0.400 -0.0800 t Tesla, where time t is in seconds. Calculate the radius of the coil
in france the wall sockets provide an ac voltage with vrms 230 v. you want to use an appliance designed to operate in
A 3 kg object id released from rest at a height of a 5 meter curved frictionless ramp. At the foot of the ramp is a spring force constant of k= 400n/m the object slides down the ramp and onto the spring compressing it to the distance x before comi..
A person of mass 79kg stands at the center of a rotating merry-go-round platform of radius 3.3m and moment of inertia 830kg*m^2. Calculate the angular velocity when the person reaches the edge
A sphere 12 cm in diameter contains and ideal gas at 1 at m and13 degrees Celsius. As the sphere is heated to 108 degrees C, gas is allowed to escape. The valve is closed and the sphere is placed in an ice water bath.
the membrane surrounding a living cell consists of an inner and an outer wall that are separated by a small space.
When light of wavelength 360 nm falls on a lithium surface, electrons having a maximum kinetic energy of 1.15 eV are emitted. Discover values for the following. The work function of lithium. The cut-off wavelength
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