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In a physics laboratory experiment, a 6.00 kg box is pushed across a flat table by a horizontal force F.a.) If the box is moving at a constant speed of 0.35m/s and thecoefficient of kinetic friction is 0.12. What is the magnitude of F?b.) What is the magnitude of F if the box is speeding of with aconstant acceleration of 0.18m/s2?
A horse is capable of moving at four different speeds: walk (1.9 m/s), trot (5.0 m/s), canter (7.0 m/s), and gallop (12 m/s). Ann is learning how to ride a horse. She spends 15 minutes riding at a walk and 1.8 minutes at each other speed.
Consider a 3.0 ball and a 5.4 ball in free fall. what is the net force acting on each
a solid disk of mass m and radius r is pivoted so that it can rotate about its center. the disk is initially at rest. a
As we discussed in class, most of the refraction in your eye happens at the surface of your cornea (n = 1.376). Use this idea to explain why wearing a swimming mask or goggles helps us to see more clearly underwater. Include a diagram in your expla..
a tropical fish aquarium with 5 ocean species of fish has flat glass sides. a beam of light from outside the aquarium
It is believed that a large electric fish known as Torpedo occidentalis uses electricity to shock its victims. What is the rate at which this work is done by the electric organs during a pulse
You are asked to construct a capacitor having a capacitance near 1 nF and a breakdown potential in excess of 10,000 V, What is the breakdown potential of this capacitor
An electron has a kinetic energy of 1.2 x 10-17 J. It moves on a circular path that is perpendicular to a uniformmagnetic field of magnitude 4.1 x 10-5 T. Determine the radius of the path.
1. suppose an airplane flew east along the equator from the prime meridian to the international dateline that is
1. How much charge has been transferred from the negative to the positive terminal? Express your answer using two significant figures. 2.How much work has been done on the charges that passed through the battery? Express your answer using two sign..
A 120 granite cube slides down a 45 frictionless ramp. At the bottom, just as it exits onto a horizontal table, it collides with a 210 steel cube at rest.
two ice skaters with masses of 53.5 kg and 75.9 kg are at the center of a 56.28-m-diameter circular rink. the skaters
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