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A person throws a rock straight up into the air. At the moment itleaves the person's hand it is going 33mph. When the rock reaches its peak, how fast is it going and whatis the magnitude and direction of its acceleration?
Speed
Acceleration
The angular position of a pendulum is represented by the equation given below where ? is in radians and ? = 4.12 rad/s. Determine the period and length of the pendulum
calculate the mass and density of methane gas contained at 1000 psia and 68 degrees Farenheit in a cylinder with volume 3.20 cu ft
A small rock moves in water, and the force exerted on it by the water is given by equation f=kv. How high will the rock rise
Consider two points charges held fixed at locations along the x-axis. Charge q1= 5.00mC is located at x1= 1.00m. Charge q2= -5.00 mC is located at x2=4.00m. calculate the magnitude and direction of the electrostatic force
The trajectory of a singly ionized helium atom for two full revolutions around the z-axis but using a singly ionized argon atominstead.
An oscillator vibrating at 1220Hz produces a sound wave that travels through an ideal gas at 325 m/s when the gas temperature is 22.0 ?C. What should the gas temperature be to achieve this wavelength
A brave child decides to grab on to an already spinning merry-go-round. The child is initially at rest and has a mass of 34.5 kg. What is the moment of inertia of the merry-go-round
A 1.60m cylindrical rod of diameter 0.450cm is connected to a power supply that maintains a constant potential difference of 15.0V across its ends, Find the resistivity and for the material of the rod at 20 ?C
How many kcal of heat must be withdrawn from 4.56 kg of steam at 125°C to change it to ice at -44.5°C.
Wonder Woman and Superman fly to an altitude of 1650 km, carrying betwen them a chest full of jewels that they intend to put into orbit around Earth. At what speed does the chest impact the surface of the water
A marble is thrown horizontally with a speed of 19.0 m/s from the top of building. When it strikes the ground, marble has a velocity that makes an angle 75° with the horizontal. From what height above the ground was the marble thrown.
Two radio antennas are 130 m apart on a north-south line. The two antennas radiate in phase at a frequency of 3.6 MHz. at which constructive interference of two radio waves occurs
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