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A stone is thrown straight up with a speed of 25.0 m/s from the top of a building 55.0 m tall.
How far above the ground will the stone go?
How long until the stone hits the ground?
What is the speed of the stone just before it hits the ground?
If a ball is thrown downward from the top of the same building with a speed of
25.0 m/s, will its speed just before hitting the ground be greater than, less than, or equal to the speed of the stone just before it hits the ground? Explain. (Hint: What is the speed of the stone when it returns to the height it was thrown?)
You are given a galvanometer with a resistance of 17.3 ? and a full scale deflection current of 8.42 mA. Find the maximum current the ammeter is capable of reading
A rectangular loop of wire has dimensions 0.5m by 0.3m. The loop is pivoted at x axis and lies in the xy plane. A uniform magnetic field of magnitude 1.5 T is directed at an angle of 40° with respect to the y axis with field lines parallel to the ..
A rabbit runs in a straight line with a velocity of +1.40 m/s for a period of time, rests for 12 s, and then runs again along the same line at +0.63 m/s for an unknown amount of time.
What is the focal length of this mirror. If the object is 25 cm in front of the mirror, what is the image distance.
Vector A ? has magnitude 10.0m m and vector B ? has magnitude 18.0m m . The scalar product A ? ?B ? is 90.0m 2. What is the magnitude of the vector product
A block of mass M, at rest on a horizontal fictionless table, is attached to a rigid support by a spring of constant K. obtain the amplitude of the resulting simple harmonic motion
A particular organ pipe can resonate at 231 Hz, 385 Hz, and 539 Hz, but not at any other frequencies in between. Is it an open or a closed pipe? What is the fundamental frequency of this pipe.
A driving force of the form F(t)=(0.237 N) sin(2pi*f*t) acts on a weakly damped spring oscillator with mass 5.72 kg, Find the amplitude of the oscillator's steady-state motion when the driving force has this frequency
Sheena can row a boat at 2.97 mi/h in still water. She needs to cross a river that is 1.24 mi wide with a current flowing at 1.67 mi/h. How long does it take her to cross the river
If a woman lifts a 20.0 kg bucket from a well and does 6.00 kJ of work, how deep is the well? Suppose that the speed of the bucket remains constant as it is lifted.
During a crash test, a car moving at 60 km/ hr collides with a rigid barrier and comes to a complete stop in 200 ms, Find the total impulse imparted by the collision, Find the average collisional force
A ball is at the top of a ramp that is 4.5 m above a table. If the ball rolls without friction, how fast is it going at the bottom of the ramp
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