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As a stunt coordinator with a background in physics, you have been asked to determine whether Bear can make it across the river and whether the rope will hold his weight. Bear is rather small, with a mass of only about 44.7 kg, including his equipment. The crossing distance is roughly W = 15.5 m and the rope is tied H = 3.10 m lower on the opposing the bank. Judging by the sag in the rope, its length is about 19.5 m. Calculate the tension in the rope once Bear reaches a point of equilibrium. Assume the rope does not stretch.
If Bear can make it far enough across (at least 12 m from where he starts), he can drop down onto the river bank below. How far will he travel across?
You hold a spherical salad bowl 90 cm in front of your face with the bottom of the bowl facing you. The salad bowl is made of polished metal with a 35 cm radius of curvature. What is the image (your face's image) distance along the central axis fr..
A cyclist starts from rest and pedals so that the wheels make 7.6 revolutions in the first 4.9 s. What is the angular acceleration of the wheels
A pendulum is made by suspending a .1kg meter stick through a pivot locaed .3m from one end. Find the period of small oscillatons
Sam heaves a shot with weight 16-lb straight upward, giving it a constant upward acceleration from rest of 45.7 m/s^2 for a height 65.0 cm. What is the speed of the shot when he releases it
A uniform ladder of mass 50 kg and length 5m leans at an angle Theta against a frictionless wall. determine the minimum angle the ladder will not slip
Assume you are the fish. You get up every morning and weigh yourself (in water), and find you weigh 0.42 N. You, being a boxfish, are a box measuring 4.164 cm per side. You see a poor, hungry fisherman, and decide to be his dinner. You hook yourself,..
An initially stationary box of sand is to be pulled across a floor by means of a cable in which the tension should not exceed 754 N. what is the weight of the sand and box in that situation
Compute the horizontal distance the ball
A baseball has a mass of 140 grams and a softball has a mass of 280 grams. In which of the situations would they both have the same momentum.By how much will a bar long of the same material.
A horizontal force of 5.0 N accelerates a 4.0 kg mass, from rest, What friction force acts on the mass
An automobile batery has 12 V and an internal resistance of .05 ohms. The starter draws 40 amps of current when starting the car. The resistance of the starter is
A superwoman is travelling in a rocketcroft at a speed of 1.5 x10^ 8 m/s is holding a coffee cup that is 20 cm tall and 8 cm in diameter, What is the width of the cup in the direction of the travel
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