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For cindy's car, here are the coefficients of friction between the tires and the road: static = .700 kinetic = .500
Suppose she drives around a flat curve in the road (radius of curve=25 meters). If her tires are just on the verge of slipping as she drives through the curve, what is her speed?
on the apollo 14 mission to the moon astronaut alan shepard hit a golf ball with a golf club improvised from a tool.
The counterbalance w1 weighs 100 N. Find out the weight w2 and the angle α needed so that no force is exerted on the hip joint by the leg plus cast.
Light traveling in air is incident on the surface of a block of plastic at an angle of 61.0degree to the normal and is bent so that it makes a 46.5 degree angle with the normal in the plastic. Find the speed of light in the plastic.
A metal ball with a mass of 2 g, a charge of 1 uC, and a speed of 42 m/s enters a magnetic field of 16 T. What is the maximum acceleration of the ball
a current of 1mA pass through a copper wire for 60s. how many coulombs of charge pass any point in the wire during this time period? how many proton pass any point in the wire during this time period
A 65 kg hiker has fallen down a hole. One rescuer attaches a rope to the injured hiker and then a second rescuer pulls the injured hiker straight up out of the hole at a steady rate. How much force would the second rescuer need to exert on the rope t..
Just before the collision and in kilometers per hour, what was the speed of the rocket piece relative to the satellite if both were in circular orbits and the collision was (a) head-on and (b) along perpendicular paths.
Consider two identical +53 microcoulomb point charges placed 58 cm apart. Calculate the work (in J) required to move the test charge to a point 8 cm closer to either of the charges
What is momentum of the block
when a force is moved to a point not along its line of action it can be replaced witha. a resultant force and moment.b.
A small helium-neon laser emits red visible light with a power of 3.2 mW in a beam with a diameter of 2.5 mm. what is the total energy contained in a 1.00 m length of the beam
A roller coaster at an amusement park has a dip that bottoms out in a vertical circle of radius r, how fast is the roller coaster traveling at the bottom of the dip
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