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Q. A runner begins at the orgin and walks 5 km due north. He then makes a 60 degree turn to the left(300 compass heading) and walks 4 km. He than walks 15 km due south and stops. How far is he from the orgin?
Q. A simple pendulum has a mass of 0.350 kg and a length of 2.00 m. It is displaced through an angle of 7.0° and then released.
Chef at the infamous Fattening Tower of Pizza tosses the spinning disk of uncooked pizza dough into the air. The disk's diameter increases during the flight, whereas its rotational speed.
The two parallel plates in the figure below are 2.0 cm apart and the electric field strength between them is 2.1 104 N/C. An electron is launched at a 45° angle from the positive plate. What is the maximum initial speed v0 the electron can have witho..
Find speed of the block at the bottom of the ramp. What is tangential acceleration of a bug on the rim of a 78 rpm record of diameter 7.41 in. if the record moves from rest to its final angular speed in 4 s.
An antelope moving with constant acceleration covers the distance 77 m between two points in time 7.4 s. Its speed as it passes the second point is 15.5 m/s. What is its speed at first point.
A stone has a mass of 6.0 x 10-3 kg and is wedged into the tread of an automobile tire, as the drawing shows. The coefficient of static friction between the stone and each side of the tread channel is 0.90.
A circular hole in an aluminum plate is 3.263 cm in diameter at 0.000°C. What is its diameter (in cm) as the temperature of the plate is raised to 129.8°C? Give the answer to four significant figures. The linear expansion coefficient of aluminum i..
A staging that weighs 440 N supports two painters, one 110 N and the other 460 N. The reading in the left scale is Ft = 800 N. What is the reading Fr, in the right hand scale.
A plane flies from base camp to Lake A, 340 km away in the direction 20.0° north of east. After dropping off supplies it flies to Lake B, which is 240 km at 30.0° west of north from Lake A. Graphically find the distance and direction from Lake B to..
Two people are holding up the ends of a 4.75-kg wooden board that is l = 2.00 m long. A m = 3.00-kg box sits on the board, 0.50 m from one end. What forces do the two people exert.
How fast (in {rm rpm}) must a centrifuge rotate if a particle 8.5 cm from the axis of rotation is to experience an acceleration of 115000 {rm g}'s.
A banked circular highway curve is designed for traffic moving at 85 km/h. The radius of the curve is 158 m. Traffic is moving along highway at 48 km/h on the rainy day. What is the minimum coefficient of friction between tires and road that would al..
how is the graph of the total volume of a bathtub while the water inflow rate follows a seesaw pattern for half of the time and the similar pattern for outflows on the other half.
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