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A particle is moving in two dimensions such that in Cartesian coordinates,
x = A(2at - sin(at))
y = A(1 - cos(at))
Where A and a are constants.
a) Discover the times at which the magnitude of the acceleration is maximum.
b) Discover the tangential component of acceleration (acceleration in the direction of motion) as a function of time.
c) Discover the normal component of acceleration (acceleration perpendicular to the direction of motion) as a function of time.
A rubber balloon filled with air is rubbed against a wool sweater and acquires a negative charge. The balloon is placed up against a flat wall and released. The balloon stays stuck to the wall. How is this possible if the wall is not charged in an..
A 1130 kg car traveling initially with a speed of 25.60 m/s in an easterly direction crashes into the back of a 9 550 kg truck moving in the same direction at 20.0 m/s. What was the velocity of the truck right after the collision
The speed of a light wave in a certain transparent material is 0.669 times its speed in a vaccum. Which is 3.00 * 108 m/s. what is its wavelength in nanometers
The gauge pressure at the bottom of a reservoir is 5.0 times what it is at a depth of 2.1 m. How deep is the reservoir
At the local swimming hole, a favorite trick is to run horizontally off a cliff that is 6.35 m above the water. find the number of revolutions she makes while on the way down
A cylinder containing an ideal gas has a volume of 2.0m3 and a pressure of 1.0 x 105 Pa at a temperature of 300K. The cylinder is places against a metal block that is maintained at 900 k and the gas expands as the pressure remains constant until t..
A solid disk of mass m1 = 9.1 kg and radius R = 0.25 m is rotating with a constant angular velocity of ? = 33.0 rad/s. What average torque was exerted on the rod by the disk
Kieran takes off down a 50m high, 10° slope on his jet-powered skis. The skis have a thrust of 320 N. The combined mass of skis and Kieran is 50 kg (the fuel mass is negligible). Kieran's speed at the bottom is 40 m/s. What is the coefficient of k..
If both the ring and the rod are warmed together, what temperature must they both reach so that the ring barely slips over the rod.
suppose a gas that absorbs solar radiation has a uniform mixing ratio of 1g kg^-1 and an absorption cross section of 5m^2kg^-1. At what altitude will the maximum rate of energy absorption per unit volume occur
An electric motor can accelerate a Ferris wheel of moment ofinertia 10100 kg · m^2 from rest to 12.4 rev/min in 13.3 s. Determine the torque generated by the motor to bring the wheelto 12.4 rev/min
A charge of 18.0?C is held fixed at the origin. If a -6.50?C charge with a mass of 3.00g is released from rest at the position (0.925 m, 1.17 m), what is its speed when it is halfway to the origin
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