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Suppose you throw a 0.058-kg ball with a speed of 10.9 m/s and at an angle of 30.9° above the horizontal from a building 10.8 m high.
(a) What will be its kinetic energy when it hits the ground?
(b) What will be its speed when it hits the ground?
The wingspan (tip-to-tip) of a Boeing 747 jetliner is 59 m. The plane is flying horizontally at a speed of 220 m/s. Find the emf induced between the wing tips
a space vehicle is moving at a speed of 0.85c with respect to an external observer. what is the speed of the project as seen by the external observer
A wheel has angular acceleration of 3.5 rad/s2 and an inertiaof 11.5 kg per m2. what must be the net torque that is acting on the wheel
A helium weather balloon is used to lift a meteorological sensor package high up into the atmosphere. Calculate the number of moles of helium in the balloon
What is the maximum speed with which a 1200 kg car can round a turn of radius 60.0m on a flat road if the coefficient of friction between tires and road is 0.65.
If the ball's speed just before impact is 100 m/s, what is the angular speed of the rod immediately after the collision.
During a violent storm, the wind over a flat, 200 m2 roof has a velocity of 10 m/s. What is the net force on the roof
A swimmer heading directly across a river 200 m wide reaches the opposite bank in 6 min 40 s. She is swept downstream 480 m. What is the speed of the current
the displacement of a standing wave on a string is given by D = 2.8sin(0.70x)cos(55 t), Find the speed of a particle of the string
A startled armadillo leaps upward rising 0.550 m in the first 0.203 is. (a) What is its initial speed as it leaves the ground? m/s (b) What is its speed at the height of 0.550 m? m/s (c) How much higher does it go?
The electric field in a region of space is oriented along the positive y axis. A circle of radius R is placed in xz-plane. The flux of the electric field by this circle is Φ. The same electric field passing through a second circle of radius 2R parall..
Use Ampere's Law to find the magnetic field inside and outside a straight wire of radius Rcarrying current I uniformly distributed over it's circular cross-sectional area A.
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