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What mass of silver salt is deposited when a current of 2.6 A is passed though a solution of a silver salt for 40 minutes? (ag=108 F=96500C)
A man drags a 76kg crate across the floor at constant velocity by pulling a strap attached to the bottom of the crate. Crate is tilted 25° above horizontal. Strap is included 61° above horizontal (between box top and hands). Center of Gravity of crate coincides with its geometric center. Find magnitude of tension in the strap. Crate is 0.40m tall by 0.90m long.
an electron has a speed of 500m/s accurate to 0.0001% with what fundamental accuracy can we locate the position of the electron?
codys car accelerates from 0m/s to 45m/s northward in 15 seconds what is the acceleration of the car
two spherical objects have equal masses and experience a gravitational force of 25 N towards one other . Their centers are 36 cm apart . determine each of their masses .
The ball is tied to a string to whirl it having a radius of 40.0 cm at a velocity of 2.5 m/s. What will be
the acceleration of the ball?
1-5 The ball is tied to a string to whirl it having a radius of 40.0 cm at a velocity of 2.5 m/s. What will be
the acceleration of the ball?
In the vacuum of space, how many atomic and sub-atomic particles, gama rays, xrays etc, will penetrate a one inch cube every second, from any direction?/
A Carnot heat engine uses a hot reservoir consisting of a
large amount of boiling water and a cold reservoir consisting of a
large tub of ice and water. In 5 minutes of operation, the heat
rejected by the engine melts 0.0400 kg of ice. During this time,
how much work W is performed by the engine?
a 7.0 mm diameter copper wire carries a current of 0.7ua.what is the current density?
