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An astronaut on the moon fires a projectile from a launcher on a level surface therefore as to get the maximum range. If the launcher gives the projectile a muzzle velocity of 25 m/s determine what is the range of the projectile?
A particle moves in a 15 cm radius circle cantered at the origin and completes 1.0 rev every 3.0 s. Find the speed of the particle. Find its angular speed ω.
A muon and its antiparticle annihilate each other, producing two γ-ray photons. The kinetic energies of the particles are negligible. Find the magnitude of each photon's momentum
an 8 ohm speaker is connected across the output terminals of a power amplifier that delivers 72 w. what is he current
A plane has an airspeed of 142m/s. A 16.0m/s wind is blowing soutward at the same time as te plane is flying. what is the magnitude of that velocity
The distance between two telephone poles is 200 ft. A 3 poundbird lands on the phone wire midway between the poles. If the wiresags 4 inches what is the tension in the wire?
A girl delivering newspapers covers her route by traveling 10.00 blocks west, 4.00 blocks north, What is her resultant displacement
A bullet of mass 0.018kg traveling horizontally at a high speed of 290m/s embeds itself in a block of mass 4 kg that is sitting at rest on a nearly frictionless surface.
Light of wavelength 520 nm passes through a slit of width 0.230 mm. How far is the screen from the slit
Calculate the work done, the amount of heat absorbed, and the change in internal energy during: melting of 1 gram of ice to water at a temperature of O degrees Celsius under a constant pressure of 1 atmosphere
In 0.784 s, a 11.1-kg block is pulled through a distance of 4.71 m on a frictionless horizontal surface, starting from rest. The block has a constant acceleration and is pulled by means of a horizontal spring that is attached to the block.
A truck of mass 2200kg leaves town moving at 25 m/s to the north. Outside town, the truck turns north-east and changes speed to 40 m/s. What is the change in the truck's momentum
An ideal gas initially at 280 K undergoes an isobaric expansion at 2.50 kPa. The volume increases from 1.00 m3 to 3.00 m3 and 11.4 kJ is transferred to the gas by heat. What is the change in internal energy of the gas?
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