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A light spring-gun projectile launcher is mounted on an 0.463 kg air track glider. The gun points upward at an angle of 30 o with the horizontal track. With the glider at rest, a 67.3- g projectile is fired from the gun with a speed of 3.15 m/s. What is the speed of the air-track glider after the gun is fired?
Nichrome wire of cross-sectional radius 0.753 mm is to be used in winding a heating coil, Find the required resistance of the coil
Assume a distant star functions as a blackbody at a temperature of 12,000 K and produces light at a rate of 7.72 x 1030 W. What is the radius of the star
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
what the electrostatic force acts on the proton.
You bring a 350 wrench into the house from your car. The house is 17 degree Celsius warmer than the car, Find the heat capacity of the wrench
A 3.6- cm-radius ball rolls down an inclined plane from rest at the top. The angular acceleration of the rolling ball about its center is 150 rad/s2, How long is the plane
A small piece of dust of mass m = 1.3 mu or micro g travels horizontally through an electric air cleaner in which the electric field is 478 N/C. What is the charge on the dust particle
A 2000 kg car is slowed down uniformly from 21.0 m/s to 10.00 m/s in 3.60 s. (a) what average total force acted on the car all through that time? (b) How far did the car travel all through that time.
A propeller is modeled as five identical uniform rods extending radially from its axis. what is its rotational kinetic energy
A cylinder with moment of inertia 18.8 kg m2 rotates with angular velocity 7.85 rad/s on a frictionless vertical axle. Show that energy is lost in this situation by calculating the ratio of the final to the initial kinetic energy
A satellite that weighs 4900 N on the launchpad travels around the earth's equator in a circular orbit with a period of 1.667 h. Calculate the magnitude of the earth's gravitational force on the satellite
A van der waals gas undergoes an isothermal expansion from specific volume V1 to specific volume V2, Calculate the change in the specific Helmholtz function
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