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The relative angle of the knee changes from 5 degrees to 85 degrees during the knee flexion phase of a squat exercise. What is the total angular distance covered during 5 squats
A uniformly charged thin ring has radius 14.5cm and total charge 20.0nC, Find the speed of the electron when it reaches the center of the ring
During a drive by golfer Tiger Woods, the angular velocity of his club is zero at the top of the backswing and the 1719 degree/second at the bottom of the downswing just before impact with the ball
A figure skater performs a triple twisting jump. She rotates around her vertical axis three times while she was in the air find the figure skaters average angular speed
A therapist examines the range of motion of an thlete's knee joint during her rehabilitation from a knee injury, What was the angular displacement of the leg from full extension to full flexion
The catapult on an aircraft carrier can take an aircraft from 0 to 197 mph ( the launch speed) in 5 Seconds, at which time the aircraft launches
An aircraft weighing 812 N is accelerated at 11.8 m/s2 for 5 seconds, at which time the aircraft launches. Assume the acceleration is constant
Two cars start at the origin from rest. The first car accelerates for 3.0s and then continues at a constant velocity, find the distance traveled by the first car
Capacitors C1 = 6.03 uF and C2 = 2.45 uF are charged as a parallel combination across a 298 V battery, Calculate the resulting charge on capacitor C2
Use the blackbody radiation law to estimate the wavelength of maximum intensity for the light from the sun's photoshere
Show that the sun is not at rest in the center of the solar system by calculating the distance from the Sun's center to the center of mass of the Sun-Jupiter system
To make a secure fit, rivets that are larger than the rivet hole are often used and the rivet is cooled (usually in dry ice) before it is placed in the hole
Calculate the scale height for water vapor in the Earth's atmosphere, Use this information to state whether telescopes atop mount kea would be better for infrared astronomy than one's at sea level
A conducting spherical shell with inner radius a and outer radius b has a positive charg Q located at its center. derive expressions for the electric field magnitude in terms of the distance r from th
A student decides to move a box of books into her dormitory room by pulling on a rope attached to the box, Find the acceleration of the box
A baseball with a mass of 0.152 kg is moving horizontally at 32.0 m/s [E], when it is struck by a bat for 0.00200 seconds, Find the average net force of the ball
A 8.05 k? and a 7.05 k? resistor are connected in parallel. This combination is then connected in series with a 2.95 k, what is the maximum voltage that can be applied across the whole network
Two 7.0mm×7.0mm electrodes with a 0.10-mm-thicksheet of Mylar between them are attached to a 7.0Vbattery, What is the electric field before and after the Mylar is withdrawn
A 111 gram apple falls from a branch that is 3.5 meters above the ground, How much time elapses before the apple hits the ground
A monatomic ideal gas expands on a linear process such that P=3V + P1 ( initial pressure.) P1 and V1 are the initial pressure and initial volume
Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 22 m/s at an angle 63 degrees, What is the horizontal and vertic
A cannonball is shot (from ground level) with an initial horizontal velocity of 40 m/s and an initial vertical velocity of 29 m/s, What is the initial speed of the cannonball
A soccer ball is kicked with an initial horizontal velocity of 18 m/s and an initial vertical velocity of 21 m/s, How far from where it was kicked will the ball land
Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 22 m/s at an angle 63 degrees, What is the distance between the
When the starter motor on a car is engaged, there is a 330A current in the wires between the battery and the motor, What minimum diameter can the wires have if the voltage drop along the wires is to b