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A 0.054-kg pet lab mouse sits on a 0.35-kg air-track cart. The cart is at rest, as is a second cart with a mass of 0.25 kg. The lab mouse now jumps to the second cart. After the jump, the 0.35-kg cart has a speed of v1=0.87m/s
What is the speed v2 of the mouse and the 0.25-kg cart?
In a calorimetry experiment an unknown amount of steam at 100 C is added to 1.5 kg of ice at 0C in a well insulated and sealed container. What is the mass of steam which was added to the ice
what horizontal force is required to move the crate. If the coefficient of kinetic friction between a 33 kg crate and the floor is 0.26, what horizontal force is required to move the crate at a steady speed across the floor? Which is 84 I just help..
Consider the position of a ball thrown down with an initial speed of 23 m/s. Determine what will be its position after 3.2 second
In an experiment to study magnetic induction , in the North Pole of a permanent magnet is moved left to right toward a coil having 20 turns at a constant speed of 20 cm/s. find Is the voltage positive or negative
A child and a sled with a combined mass of 50kg slide down a frictionless slope. If the sled starts from rest and has a speed of 3.oo m/s at the bottom, what is the height of the hill
Formulate an equation to determine the average strength of the electric field on the surface of the cube that encloses a charge of -q.
Three equal positive point charges of magnitude Q = 7.00mu C are located at three corners of a square of edge length d = 5.6 cm. What is the magnitude of the attractive force on the negative charge
Water flows through a 2.5cm -diameter pipe at 1.9m/s. If the pipe narrows to 1.5cm diameter, What is the flow speed in the constriction
An airline pilot pulls her 12.0 kg rollaboard suitecase alongthe groung with a force of 25.0 N for 10.0 m. The handle she pullsmakes an angle of 36.5 degrees with the horizontal. How much workdoes she do over the ten meter distance?
What is the magnitudeof the electric field at a distance of 4.10×10−10 m from a uraniumnucleus? What is the magnitude of the force on anelectron at that distance?
An ideal step-downtransformer has a primary coil of 380 turns and a secondary coil of20 turns. Its primary coil is plugged into an outlet with 115V(AC), from which it draws an rms current of 0.71 A.
Two thin, isolated, concentric conducting spheres of radii 4.50 cm and 6.20 cm, What is the electric potential at 8.00 cm from the center of the spheres
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