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Question: A 54.5-g Super Ball traveling at 27.0 m/s bounces off a brick wall and rebounds at 21.0 m/s. A high-speed camera records this event. If the ball is in contact with the wall for 4.30 ms, what is the magnitude of the average acceleration of the ball during this time interval?
m/s2
If possible just a brief explanation how you got the answer?
The resonance frequency of an RLC circuit is1100 Hz. What is the resonance frequency if theinductance L is doubled? What is the resonance frequency if hecapacitance C is doubled?
A heat engine operates in a Carnot cycle between 80.0 C and 350 C. It absorbs 21000 J of energy per cycle from the hotreservoir. How much energy does if expel in each cycle by heat
The current in a 44 ohm resistor is 0.10 Amp. This resistor is in series with a 28 ohm resistor, and the series combination is connected across a battery. Determine what is the battery voltage
You are working for a shipping company. Your coworker is supposed to grab the packages as they arrive at the top of the ramp. But she misses one and it slides back down. What is its speed when it returns to you
a piece of angle iron is hinged at point a. determine the resultant torque at a due to the two acting forces. replace
please try to solve this homework and explain it very well . and i want to receive it tomorrow. and explain every
A single-turn square loop of side L is centered on the axis of a long solenoid. In addition, the plane of the square loop is perpendicular to the axis of the solenoid. The solenoid has 1100 turns per meter and a diameter of 8.00 cm, and carries a ..
A 65 kg high jumper starts his push-off phase with his center of mass .45 m above groung and velocity of 0 m/s. How much work did the mat do on the high jumper
A woman with a mass of 47.0 kg is standing on the rim of a large disk that is rotating at an angular velocity of 0.480 about an axis through its center, Calculate the magnitude of the total angular momentum of the woman-plus-disk system
the charges and coordinates of two charged particles held fixed in an xy plane are q1 3.10 ?c x1 4.39 cm y1 -0.0920
A bat strikes 0.150 kg baseball. Just before impact, the ball is traveling horizontally to the right at 50.5 m/s , find the vertical component of the average force on the ball
An 800-N man stands halfway up a 5 m long ladder of negligible weight. The base of the ladder is 3 m from the wall as shown. suppose that the wall-ladder contact is frictionless, wall pushes against the ladder with a force of what magnitude.
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