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The speed of the tip of the minute hand on a town clock is 0.00125 m/s.
What is the speed of the second hand of the same length?
What is the centripetal acceleration of the tip of the second hand?
A submarine on the ocean surface receives a sonar echo indicating an underwater object. What is the object's depth
Heather and Jerry are standing on a bridge 46 above a river. Heather throws the rock straight down with a speed of 20. Jerry, at accurately the same instant of time, throws a rock straight up with the same speed. Overlook air resistance.
A car is traveling at 27 m/s when the driver spots a large pothole in the road a distance 44 m ahead. She immediately applies her brakes. If her acceleration is -9.7 m/s2, does she arrange to stop before reaching the pothole.
A university physics department buys 100m of string and determines its total mass to be 0.150kg. what is the required string tension
A thin rod (length = 1.816 m) is oriented vertically, with its bottom end attached to the floor by means of a frictionless hinge. compute the magnitude of the angular acceleration of the rod
A 50,000 kg locomotive is traveling at 60.0 m/s when its engine and brakes both fail. How far will the locomotive roll before it comes to a stop
A charge of 15.0 uC is plaed at the center of a cube. Each side of the cube has an area of 4.50 cm^2 calculate The total electric flux passing through the surface of the cube
A rocket fires two engines simultaneously. One produces a thrust of 725 N directly forward while the other gives a thrust of 513 N at an angle 32.4^\circ above the forward direction. Find the magnitude of the resultant force
Suppose a 76 kg person hangs vertically from a nylon rope. What radius must the rope have if its fractional enhancement in length is to be the similar as that of the spider's thread.
A very fast-moving train car passes you, moving to the right at 0.50c. You measure its length to be 14m. How long does David measure the train car to be
A very slippery ice cube slides in a vertical plane around the inside of a smooth, 20 cm diameter horizontal pipe. Find an algebraic expression for the ice cube's speed
A mirror creates an image of magnification ?1/3. (a) Is the image upright or inverted? (b) If the object is 7.75 cm tall, what is the height of the image
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