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A block slides down a frictionless plane having an inclination of θ = 19.1 °. The block starts from rest at the top, and the length of the incline is 2.70 m.
(a) Draw a free-body diagram of the block.
(b) Find the acceleration of the block.
(c) Find its speed when it reaches the bottom of the incline.
If the rope starts at an angle of 30.0° with the vertical, illustrate what is Bruce's speed at the bottom of the swing?
A large truck collides head-on with a small car. The car is severely damaged as a result of the collision. According to Newton's third law, how do the forces acting between the truck and car compare during the collision?
Two 12-cm-diameter charged rings face each other, 17.0 apart. Both rings are charged to + 40.0. What is the electric field strength at the midpoint between two rings.
A 66-g ice cube at 0°C is placed in 865 g of water at 26°C. What is the final temperature of the mixture
Water at a pressure of 3.00*10^5 Pa flows through a horizontal pipe at a speed of 1.00 m/s. The pipe narrows to one-fourth its original diameter
To hoist himself into a tree, a 72.0-kg man ties one end of a nylon rope around his waist and throws the other end over a branch of the tree. determine the man's upward acceleration
A small rocket is powered upward on lift-off by an engine thrust of 12,000-N. If the resulting upward acceleration is 6.40m/s^2, what is the mass of the rocket?
A guitar string has a tension on it of 6500 N and length of 1.2 m. what is the linear mass density of the string
During an electrostatic field experiment, you assume that the electric field lines are in the plane of the paper, What condition determines the accuracy of this assumption
If the converging lens in a slide projector has a focal length of 104.00 mm and the slide is located 109 mm from the lens, Determine the dimensions of the image of the slide
The brakes are applied to a car traveling on a dry, level highway. A typical value for the magnitude of the car's acceleration is 5.45 m/s2. If the car's initial speed is 33 m/s, how long does it takes to stop and how far does it travel, starting ..
To make ice, a freezer that is a reverse Carnot engine extracts 50 kJ as heat at -15°C during each cycle, How much work per cycle is required to run the freezer
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