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A 32.0 kg child takes a ride on a Ferris wheel that rotates four times each minute and has a diameter of 18.0 m.
(a) What is the centripetal acceleration of the child?
m/s2
(b) What force (magnitude and direction) does the seat exert on the child at the lowest point of the ride?
magnitude ________________N
direction ________________° (from upward)
(c) What force does the seat exert on the child at the highest point of the ride?
(d) What force does the seat exert on the child when the child is halfway between the top and bottom?
A 3.80-kg cylindrical rod of length 2.00 m is suspended from a horizontal bar so it is free to swing about that end. What is the angular velocity of the rod immediately after the collision
How much power must you exert to horizontally drag a 20.0 kg table 14.0 m across a brick floor in 40.0 s at constant velocity, assuming the coefficient of kinetic friction between table and floor is 0.550.
compass needle points 25 degrees E of N outdoors. However, as it is placed 17 cm to the east of a vertical wire inside a building it points 61 degrees E of N. What is the magnitude of the current in the wire? The earth field there is 0.50X10^-4 T ..
The temperature of 3.00 mol of an ideal diatomic gas is increased by 40 degrees C without a change in pressure, How much energy is transferred to the gas as heat
After staying on Penitgy for a few days, the landing craft returns to its mothership. What height does the landing craft attain during this time period
An ideal gas initially at pressure 8.0 atm and temperature 300K expands adiabatically until its volume doubles. Find the final pressure and temperature if the gas is (a) monatomic, and (b) diatomic
Anemometers (pictured) are used to measure wind speeds. Wind striking the cups causes the assembly to rotate; a gauge measures the frequency of this rotation and translates the data into wind speed. calculate the number of turns in the coil wire
A circular coil of wire with 200 turns and a diameter of 6cm carries a current of 7A. What is the torque on the coil
A chimp jumps up from a trampoline and lands on the ground, 1.2 meters below. the total time taken was .095 secons. A. what is the initial velocity B. what is the final velocity C. what is the maximum height above the ground please show work so i ..
Write down a function named as kineticEnergy() which determines the kinetic energy of an object in accordance with the following formula.
The buildup of plaque on the walls of an artery may decrease its diameter from 1.0cm to 0.85cm. Find the speed of blood flow within the plaque region
You have a string with a mass of 0.0141 kg. You stretch the string with a force of 9.09 N, giving it a length of 1.81 m. What is the wavelength of the standing wave
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