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Question: A car is driving along a highway that goes over a hill. The top of the hill has a radius of curvature of 45 m.
Part A: What is the maximum safe speed for going over the hilltop?
Please show all work to find the maximum safe speed for going over the hilltop.
Two dogs fight over a bone. The larger of the two pulls on the bone to the right with a force of 42 Newton. The smaller one pulls to the left with a force of 35 Newton. Find the net force acting on the bone
Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 17 m/s at an angle 35 degrees; with respect to the horizontal. Sarah catches the ball 1.5 meters above the ground.
Despite what you see in science fiction movies, we don't know howto make artificial gravity. However, we can make something thatseems like gravity if we work in a rotating reference frame.Suppose NASA builds a space station as a 1000-m-diameter cy..
A 27.0-kg child on a 3.00-m-long swing is released from rest when the ropes of the swing make an angle of 35.0° with the vertical, Neglecting friction, find the child's speed at the lowest position
A 5.00 g object moving to the right at +20.0 cm/s makes an elastic head-on collision with a 10.0 g object that is initially at rest. Estimate the percentage of the initial kinetic energy transferred to the 10.0 g object
a solid ball and a hollow ball each with a mass of 2.29 kg and radius 0.115 m start from rest and roll down a ramp of
Suppose you want a capacitor bank with a total capacitance of 1.450 F and you possess numerous 2.50 mF capacitors. What is the smallest number you could hook together to achieve your goal
Energy Budget and Habitability
A copper vat is 10-m long at room temperature (20°C). How much longer is it as it contains boiling water at 1 atm pressure.
q1. collapsible plastic bags are used in hospitals for infusions. we want to use such a bag to infuse an electrolyte
Two masses of 10 kilogram and 5.0 kilogram are connected by a compressed spring and rest on a frictionless table. determine what are the speeds of the two masses
Suppose the region outside the chamber is evacuated and the total mass of the block and the movable piston is150 kg. What is the distance s through which the piston rises
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