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A string provides a horizontal force which acts on a 500 N rectangular block at top right-hand corner as shown.(the picture shows a rectangle with a hieght of 1m and width of 0.7m, it also shows the force of mg of 500N pointing down) If the block slides with constant speed, find the tension in the string required to start to tip the block over. Answer in units of N.
Suppose that a police car on the highway is moving to the right at 29 m/s, while a speeder is coming up from almost directly behind at a speed of 31 m/s, which wave has the greater frequency
You are standing at rest with respect to the earth holding a lance which you measure as 10 meters long and a knight traveling on horseback at .7c is holding a lance which he measures as 10 meters long. Which lance hits the other person first
The track near the top of your favorite roller coaster has a circular shape with a diameter of 22 m. What is the speed of the roller coaster
The space shuttle orbits at a distance of about 300 km above the surface of the earth. Find the speed of the shuttle
Two converging lenses (f1 = 8.50 cm and f2 = 5.90 cm) are separated by 17.4 cm. The lens on the left has the longer focal length. Locate the final image relative to the lens on the right
An object 2.0mm high is placed 12cm from a convex mirror of radius of curvature 12c, Determine the image distance using the mirror equation 1do+1di=1f
An air gap capacitor is constructed of two parallel 20.0cm x 2.00 cm metal plates separated by a distance of 100.0 um. calculate The charge density on the plates
Bowling balls can be made from a variety of substances and are required to have a circumference of roughly 27.2 inches. calculate the thickness of the shell
A copper rod, an aluminum rod, and a brass rod, each of 6.00 m length and 1.00 cm diameter, What is the steady-state-temperature of the cooper-aluminum junction
A 10-kg box is stationary on the ground and pushed by a downward force of 30 N. Calculate the supporting normal force acted on the box from the ground
The drawing shows a mercury barometer. Consider two barometers, one using mercury and another using an unknown liquid. assume that the pressure above the liquid in each tube is negligible. The height of the unknown liquid is 18.3 times greater tha..
The pilot of an airplane notes that the compass indicates a heading due west. The airplane's speed relative to the air is 120 km/h. Find the velocity of the airplane relative to the ground
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