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A projectile is launched at an angle of 13.0° above the horizontal. What is its initial speed if it hits a target that is located a horizontal distance of 155 m from the launch point and 10.5 m below the launch level?
Kamaria is learning how to ice-skate. She wants her mother topull her along so that she has an acceleration of.8m/s2. with what forcedoes her mother need to pull her
Four vectors A,B,C ,D and are shown (not to scale). Vector A has magnitude 23.0 and acts at an angle of 14.7 degrees with respect to the positive x axis. find the magnitude and direction of the resultant vector R
If 5.0 moles of air is at 0.0 degrees Celsius and 1.0 atm pressure, what is the volume occupied by the gas in m^3
A 3440-kg spacecraft is in a circular orbit a distance1850 km above the surface of Mars. How much work must thespacecraft engines perform to move the spacecraft to a circularorbit that is 4360 km above the surface?
The power dissipated in a series RCL circuit is 56.3 W, and the current is 0.273 A. Determine the voltage of the generator
Three moles of an ideal monatomic gas expand isothermally at a temperature of 21°C. If the volume of the gas quadruples during this process, what is the heat flow into the gas
Laser light 633nm is normally incident on a 0.100-mm-wide slit in a thin opaque plastic sheet floating on the surface of a swimming pool. Calculate the width of the central maximum at the bottom of the pool 4.50 m below the surface?
An eyepiece of 3.0- cm focal length and an objective of 0.29-cm focal length are used in a standard microscope. What power should be marked on the eyepeice?
A single 215Rn nucleus, initially at rest, emits an alpha particle as it decays into a 211Po nucleus, What is the total amount of nuclear potential energy, in joules, that was released in this process
a piano tuner stretches a steel piano wire with a tension of 765n . the steel wire has a length of 0.500m and a mass of
Water at the top of Horseshoe Falls (part of Niagara Falls) is moving horizontally at 8.7m/s as it goes off the edge and plunges 53 m to the pool below. at what angle with respect to the vertical is the falling water moving as it enters the pool
A vibrating string with a uniform linear mass density exhibits a single-loop standing wave pattern with a frequency of 600 Hz. determine the ratio of the new tension to the old
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