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A person reaches a maximum height of 55cm when jumping straight up from a crouched position. During the jump, the person's body from the knees up uses a distance of around 45cm.(Assume the entire body rises this much during jump). A)What is the initial speed with which the Pearson leaves the ground to reach a height of 55cm? B) in terms of the jumper's weight, what force does the ground exert on him or her?
An object is determined to have an apparentm mass of 882 g in air and 643 g when immersed in water. What is the density of the object
A string has a linear density of 6.80 10-3 kg/m and is under a tension of 345 N. Determine the wavelength of the traveling wave
an am station is broadcasting a radio wave whose frequency is 1500 khz. the value of the capacitance in the lc-tuned
An 81.2-mH inductor and a 6.02-µF capacitor are connected in series with agenerator whose frequency is 394 Hz. The rms voltage across the capacitor is 2.30V. Determine the rms voltage across the inductor.
You are moving due North on your tricycle with a velocity(0,20m/s). You aee a fellow tricyclist moving with relativevelocity 15m/s at an angle of 150 degrees. what is your velocity right after the collision
The first atomic bomb released energy equivalent to20 kilotons of TNT. If 1 ton of TNT releases 4x109 J, how much uranium was consumed through fission in the bomb
What properties of light might be involved in reflection, What changes occur in the properties of light such as wavelength, frequency, and amplitude during reflection
A block of mass 12.0 kg slides from rest down a frictionless 33.0° incline and is stopped by a strong spring with k = 2.00 104 N/m. how far has the spring been compressed
If the maximum permissible deformation is 0.42 mm, calculate the maximum length of the specimen before the deformation begins.
You have a 193 Omega resistor, a 0.400 H inductor, a 4.92 uF capacitor, and a variable-frequency ac source with an amplitude of 2.91 V. What will be the current amplitude at this frequency
Identical point charges of +2.6 µC are fixed tothree of the four corners of a square. What is themagnitude q of thenegative point charge that must be fixed to the fourth corner, so that the charge at the diagonally opposite corner experiences a netfo..
Objects A and B are on a horizontal surface. Object A exerts a force on object B, and, in accordance with the laws of motion, generates a reaction force.
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