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Question1
An artillery shell is fired with an initial velocity of 310 m/s at 57.0° above the horizontal. It explodes on a mountainside 39.0 s after firing. What is x and y coordinates of the shell where it explodes, relative to its firing point.
Question2
An airplane is flying with a velocity of 96.0 at an angle of 25.0 above the horizontal. While the plane is a distance 112 straight above a dog that is standing on level ground, a suitcase drops out of the luggage compartment. How far from the dog will the suitcase land? Air resistance can be ignored.
A child's toy consists of a piece of plastic attached to a spring. The spring is compressed against the floor a distance of 2.0 cm and released. If the spring constant is 85 N/m, what is the magnitude of spring force acting on the toy at the moment i..
An electron moves at a speed of 14000 m/s in a circular path of radius 2.4 cm in a solenoid. Find the strength of the magnetic field inside the solenoid
An LC circuit with a 4.90 pF capacitor oscillates in such a manner as to radiate at a wavelength of 3.50 m. What inductance is in series with the capacitor
A 150 kg rock (density is 2500 kg/m 3 ) is dropped to a lake. Determine how much force the man needs to life the rock from the bottom of the lake
An antifreeze solution is made by mixing ethylene glycol (?= 1116 kg/m3) with water. determine the volume percentage of ethylene glycol in the solution
Assume the following parameters: projectile speed = 20 m/s, air resistance, drag coefficient = 0.5, What is the maximum range of the projectile along the horizontal in the simulation in m
What is the maximum tension. The gastrocnemius muscle, in the back of the leg, has two portions, known as the medial and lateral heads. Assume that they attach to Achilles tendon. The cross-sectional area of each of these two muscles is typically f..
Determine the average speed for the trip
Two forces, F? 1 and F? 2, act at a point. F? 1 has a magnitude of 8.20N and is directed at an angle of 60.0, What is the x and component of the resultant force
A 1.9x10^14 Hz electromagnetic wave propagates in carbon tetrachloride with a speed of 2.05x10^8 m/s
A box is hanging from a chain having a mass of 60 kg. The box has a mass of 78 kg. Find the tension in the top of chain and the bottom of the chain.
A zookeeper and a monkey. The zookeeper shot a tranquilizer gun with an initial v=30m/s. The monkey was up on a tree 140m high. What is the monkeys speed during free fall
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