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A rocket is projected upward from the earth's surface (r = RE) with an initial speed v0 that carries it to a distance r = 1.2 RE from the center of the earth. What is the launch speed v0? Assume that air friction can be ignored.
A playground merry-go-round is a disk of radius 4.0 m and mass 5,0 x 102 kg, initially stationary. what is the resulting angular velocity
A small button placed on a horizontal rotating platform with diameter 0.315 m will revolve with the platform when it is brought up to a speed of 28.0 rev/min, How far from the axis can the button be placed
You have a battery marked "6.00 V." When you draw a current of 0.223 A from it, the potential difference between its terminals is 5.01 V. What is the potential difference when you draw 0.537 A
An ac generator with a frequency of 150Hz and an rms voltage of 22.5V is connected in series with a 15.0kilo ohms resistor and a 0.210microF capacitor. What is the rms current in this circuit?
A surveyor starts at the southeast corner of a lot and charts the following displacements: A = 600 m, N; B = 400 m, W; C = 200 m, S; and D = 100 m, E. What is the net displacement from the starting point
A Carnot engine performs work at the rate of 480 kW as using 640 kcal of heat per second. If the temperature of the heat source is 540°C, at what temperature is the waste heat exhausted.
A uniform charge density of 500nC/m^3 is distributed throughout a spherical volume (radius 16centimeter). Find the electric flux through the surface of the cube
a parachutist with a camera descends in free fall At a speed of 14m/s. What is the velocity of the camera just before it hits the ground
A particle undergoes a displacement Δr of magnitude 57 m in a direction 25° below the x axis. Express Δr in terms of the unit vectors x and y.
Find the time taken by the stone to reach the ground. and the speed with which it hits the ground.
An unknown number of moles of an ideal monatomic gas expand reversibly from Vi = 2.50 m3 to Vf = 3.20 m3, at a constant pressure of 2.11 atm and an initial temperature of 300 K
Particle A carries a charge of 5.0 uC, Particle B is 12.0cm, Find the magnitude and direction of the electric force on A due to B
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