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A 5 kg cannonball is launched at an angle of 40o from a 120 m tall hill. It is pneumatically launched from rest to a final velocity of 75 m/s through the cannon barrel in 0.46s. Ignore air resistance.
Find the range of the projectile and explain the reasoning behind your calculations.
What force was required to launch the cannonball? How much work did this force perform to do so? What is the Power of the cannon?
Compare and comment on the TOTAL energy the cannonball has just after it is launched and just before it hits the ground.
A solenoid is to have an inductance of 0.257 mH, a cross-sectional area of 5.56 10-4 m2, and a length of 39.6 cm. How many turns per unit length should it have
If the pendulum makes a maximum angle of 5.4? with the vertical, what is the length of the pendulum
A light spring-gun projectile launcher is mounted on an 0.463 kg air track glider. What is the speed of the air-track glider after the gun is fired
A particle's trajectory is described by x=(12t3?2t2)m and y =(12t2?2t)m, What is the particle's direction of motion, measured as an angle from the x-axis, at t=5.0s
An empty capacitor is connected to a 24.0 V battery andcharged up. The capacitor is then disconnected from the battery,and a slab of dielectric material (κ = 3.5) isinserted between the plates. Find the amount by which the potential difference acr..
What are the dissimilar death scenarios for a black hole? I know they can evaporate during Hawking radiation - but is there any other way? What if you just kept shovelling more and more mass and energy into the black hole?
It costs 2.6 cents to charge a car battery at a voltage of 12 {\rm V} and a current of 15 {\rm A} for 120 minutes. What is the cost of electrical energy per kilowatt-hour at this location
An aircraft weighing 978 Newton is accelerated at 13 m/s2 for 13 seconds, at which time the aircraft launches. Compute how much work was done on the aircraft
A glass windowpane in a home is 0.62 cm thick and has dimensions of 1.1 m multiplied by 1.6 m. On a certain day, the indoor temperature is 20°C and the outdoor temperature is 0°C. What is the rate at which energy is transferred with heat through the ..
How much work is completed in charging the capacitor
A 10.0 gram bullet is fired into and embeds itself in a 1.75 kilogram block attached to a spring with a spring constant of 23.0 N/m and whose mass is negligible. Obtain how far is the spring compressed
a long slender bar is made from an unknown material. the length of the bar is 1.08 m its cross-sectional area is 1.23
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