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Instructions: The Active Figure illustrates the motion of a projectile launched from level ground with an initial speed of 50 m/s. You can vary the initial angle with the blue slider. Click the fire button and observe the motion of the projectile. After the motion is complete, you can move your mouse to obtain the (x, y) coordinates of any point along the trajectory.
Consider the case of a projectile launched from level ground. Examples include a golf ball hit from a tee on a level golf course and a place-kicked football. Let us analyze the motion of the projectile to determine the following:
(A) time to reach the maximum height
(B) the maximum height attained
(C) the entire time of flight
(D) the range
(E) the angle that gives the maximum range
A lake is 28.3 meters deep at its deepest point. The density of water in the lake is 1000 kg/m^3. what is the absolute pressure at the bottom of the lake
Identical cellos are being tested. One is producing a fundamental frequency of 290 Hz on a string that is 1.03 m long and has a mass of 100.0 g. On the second cello the same string is fingered to reduce the length that can vibrate. If the beat fre..
A blue ball is thrown upward with an initial speed of 21.8m/s, from a height of 0.6m above the ground. 2.7 seconds after the blue ball is thrown, How long after the blue ball is thrown are the two balls in the air at the same height
There is air on both sides of a soap film. What is the smallest thickness that the soap film (n=1.42) can have and appear bright if illuminated with 431?nm light
A 16.5 kg gold bar at 26.0°C is placed in a large, insulated 0.800 kg glass container at 15.0°C with 2.00 kg of water at 25.0°C. Calculate the final equilibrium temperature
A novice skier, starting from rest, slides down a frictionless 34° incline whose vertical height is 128 m. How fast is she going when she reaches the bottom.
an image of the moon is focused onto a screen using a converging lens of focal length f 36.8 cm. the diameter of the
a) How long does it take an airplane to take off if it needs to reach a speed on the ground of 350 km/h over a distance of 600 meters (assume the plane starts from rest)? b) What is the acceleration of the airplane over the 600 meters?
A car is moving on a flat horizontal circular track of radius 120m. The speed of the car is constant, 15 m/s. The mass of the car is 1200kg. Ignore air resistance.
Communications satellites are placed in a circular orbit where they stay directly over a fixed point on the equator as the earth rotates. What is the period of a satellite in a geosynchronous orbit
An air puck of mass m1 = 0.15 kg is tied to a string and allowed to revolve in a circle of radius R = 1.1 m on a frictionless horizontal table. What is the horizontal force acting on the puck
A bow with spring constant 2000 N/m us used to shoot a 90-g arrow. If the bow is pulled back 18 cm, what will be the speed of the arrow as it leaves the bow?
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