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Question1
A diver springs upward from a board that is 2.85 meters above the water. At an instant she contacts the water her speed is 9.35 m/s and her body makes an angle of 71.5° with respect to the horizontal surface of the water. Find out her initial velocity.
Question2
A gun shoots bullets that leave the muzzle with a speed of 278 m/s. If a bullet is to hit a target 155 m away at the level of the muzzle, gun has to be aimed at a point above the target.
How far above the aim is this point? (Overlook air resistance.)
Question3
A log is floating on a river travelling 2 m/s. while the log is 10 m from the bridge floating toward it a, person drops a stone from the edge of the bridge the stone hits the water 2m in front of the log how high is bridge?
A 0.800mm -diameter ball bearing has 2.50×109 excess electrons, What is the ball bearing's potential
The masses of the particles are m1 = m3 = 5.0 kg and m2 = m4 = 8.0 kg. Find out the moment of inertia of the system about the z axis.
Find the magnitude of book's velocity, just before the book reaches the floor. Find the direction of book's velocity, just before the book reaches the floor.
Find the work function of the emitting surface and the wavelength of the second source. Determine the net work done on the piano.
Two tiny conducting spheres with a mass of 15gm each are hanging from non-conducting threads of length 70cm such that they are 4cm apart as shown to the left.
While John is travelling along an interstate highway, he notices a 139 mi marker as he passes through town. Later John passes a 116 mi marker. What is the distance between town and John's current location.
80 pF capacitor and a 320 pF capacitor are both charged to 2.8 kV. They are then disconnected from the voltage source and are connected together, Find the resulting potential difference across each capacitor
The springs of a 1700-kg car compress 4.90mm when its 63.0-kg driver gets into the driver's seat. If the car goes over a bump
When a clock reads 3 s, a cart's velocity in the positive x direction reads 5m/s, What is the magnitude in m/s^2 of the acceleration of the cart
What is the source of charge carriers moving in an electric circuit, and what is the role of the battery/source in that movement
A basketball player makes a jump shot. The 0.650-kg ball is released at a height of 1.90 m above the floor with a speed of 7.17 m/s, What is the work done on the ball by air resistance, a nonconservative force
Consider an infinite solenoid of radius R, n turns per unit length, and current I. Calculate the final cinetic moment of each of the cylinders
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