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Q1. A cannonball shot with the initial velocity of 129 m/s at an angle of 36° follows a parabolic path and hits a balloon at the top of its trajectory. Neglect air resistance, how fast is the cannonball going as it hits the balloon?
Q2. A diver springs upward with an initial speed of 2.0 m/s from a 4.0 m board.
(a) Find out the velocity with that he strikes the water. (Hint: When the diver reaches water, his displacement is y = -4.0 m (measured from the board), assume that the downward direction is selected as the negative direction.)
(b) What is the highest point he reaches above the water?
Three capacitors (3.81, 5.89, and 11.3 ?F) are connected in series across a 45.0 V battery. Calculate the voltage across the 3.81 F capacitor?
A spy satellite is in circular orbit around Earth. It makes one revolution in 5.97 hours. How high above Earth's surface is the satellite
When lifting an object using the biceps muscle, the forearm acts as a lever with the fulcrum at the elbow. The input work is provided by the biceps muscle pulling up on the bone. How much force should the biceps exert to lift an object weighing 12..
Utilizing an information provided in your course text, complete the "Motivation Concepts Table." This table will serve as a convenient quick reference for the remainder of the course.
An observation satellite orbits the planet at a height of 1000 . What is the projectile's speed as it passes the satellite?
A person in a rocking chair completes 15 cycles in 17s, What are the period of the rocking
For comparison, what is the magnitude of the acceleration a test tube would experience if dropped from a height of 1.0 m and stopped in a 2.0-ms-long encounter with a hard floor
On a cool morning, when the temperature is 14 degrees C, you measure the pressure in your car tires to be 30 psi. After driving 50 mi on the freeway, temperature of your tires is 52 degrees C.
Two charges, q1 and q2, are separated by a distance, r, and exert a force, F, on each other. What will the new force be if:
Draw a motion diagram for the train. Assume that the train is moving toward the right and starts to slow down at t = 0. The separation of each dot represents an elapsed time of one second.
Your roommate is an aspiring novelist. Because you are taking physics your roommate asks your opinion on a matter of physics. How many drops per second are keeping the annoyed protagonist awake
Suppose one gallon of gasoline produces 1.1 × 108 J of energy, and this energy is sufficient to operate a car for twenty miles. how many miles could the car go with that energy
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