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Solve the all parts of given problem:
Problem: A penny is dropped from a 500 ft high bridge,
Part A: How long does it take for the penny to reach the ground below?
Part B: How high, in m, is the cliff above the stream?
I need help to find how long does it take for the penny to reach the ground below.
a battery has an emf of 15.0 v. the terminal voltage of the battery is 13.1 v when it is delivering 18.0 w of power to
A soft tennis ball is dropped onto a hard floor from a height of 1.90 m and rebounds to a height of 1.42 m. Calculate its velocity just after it leaves the floor
A 5.2 meter wire with mass of 87 gram is attached to the mast of a sail boat. Evaluate the tension for a 97 gram wire
Gas is enclosed in a cylinder with a movable piston on top of it. Find how much work is done on the gas as the temperature of 0.240 mol of the gas is raised from 24.0°C to 350°C
The isotope of hydrogen that contains one proton and one neutron is called deuterium. The mass of the atom is 2.014102u. What is its mass defect? What is the binding energy of deuterium in MeV?
A 81-kg man steps out a window and falls (from rest) 1.2 m to a sidewalk. What is his speed just before his feet strike the pavement
The inductance of a tightly wound coil is such that an emf of 3.00 mV is induced when the current changes at a rate of 5.00 A/s. A steady current of 8.00 A produces a magnetic flux of 40.0 μWb during each turn.
Two identical +9.5 uC point charges are initially 3.5cm apart from each other. If they are released at the same instant from rest, how fast will each be moving as they are very far away from each other? Assume they have identical masses of 1 mg.
A parallel-platecapacitor of dimensions 2.15 cm × 5.69 cm is separated by a1.65 mm thickness of paper. Find the capacitance of this device.The dielectric constant for paper is 3.7.
A generator uses a coil that has 80 turns and a 0.40-T magnetic field. The frequency of this generator is 60.0 Hz, and its emf has an rms value of 120 V. Assuming that each turn of the coil is a square (anapproximation), decide the length of the wire..
A recent theory suggests that time may be quantized, and that the quantum, or elementary amount, of time is given by the equation t= h/(mpc^2), where h is blank constant, mp is the portion mass and c is the speed of light. comfirm that this equati..
Sound is detected when a sound wave causes the tympanic membrane (the eardrum) to vibrate. How much energy is delivered to the eardrum each second when someone whispers (20.3 dB) a secret in your ear
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