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An arrow is shot at 30.0° above the horizontal. Its velocity is 49 m/s and it hits the target.
1. What is the maximum height the arrow will attain?
2. The target is at the height from which the arrow was shot. How far away is it?
A laser beam impinges on the top surface of a 2cm thick parallel glass which has an index of infraction of n=1.50 at an angle of 35 degrees. How long is the path during the glass?
a 1000 N crate is being pushed across a level floor at a constant speed Vi=1.75 m/sec by a force of F=300N at an angle of theta=20 Degrees below horizontal. what is the final velocity of the crate
A 33.1-A current flows in a long straight wire. Find the strength of the resulting magnetic field at a distance of 65.7 cm from the wire
A block of 4.4 kg is held at the top of a smooth incline. The incline has height of 2.1 m and is at an angle of 19 degrees above the horizontal. How much work was done by friction on the block
A 14.2-g piece of Styrofoam carries a net charge of -0.69 µC and is suspended in equilibrium above the center of a large, find the charge per unit area on the plastic sheet
a body that has a mass of 1 kg and is moving 2 m/sec has an inelastic collision with a body that has a mass of 100 kg and is moving 0 m/sec. what is the their final velocity
A startled armadillo leaps upward rising 0.550 m in the first 0.203 is. (a) What is its initial speed as it leaves the ground? m/s (b) What is its speed at the height of 0.550 m? m/s (c) How much higher does it go?
the giant swing at the county fair consists of a vertical central shaft with a number of horizontal arms attached at its upper end. find the time of one revolution of the swing
You are working for a shipping company. Your job is to stand at the bottom of a 5.9 -long ramp that is inclined at 45 above the horizontal. You grab packages off a conveyor belt and propel them up the ramp.
Two in-phase loudspeakers that emit sound with the same frequency are placed along a wall and are separated by a distance of 5.00 m. What is the frequency of the sound
A world-class sprinter accelerates to his maximum speed in 4s . He then maintains this speed for the remainder of a 100m race, What is his average acceleration for the entire rac
A 11.0 kilogram object undergoes an acceleration of 1.5 m/s2. find what acceleration is produced
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