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A major leaguer hits a baseball so that it leaves the bat at a speed of 30.0 m/s and at an angle of 36.9o above the horizontal. Calculate the horizontal and vertical components of the baseball's velocity at each of the two times.
for this module you will investigate the operation of antennas. antennas can both transmit and receive electromagnetic
Your friend can barely lift a 36-kg concrete block on Earth. How massive a block could she lift on the Mercury
A 12.6 V battery is in a circuit with a 30.0 mH inductor and a 0.150 resistor, as in Active Figure 20.27. The switch is closed at t = 0. Find the current after one time constant has elapsed
A rocket moves upward from rest with an acceleration of 29.4 m/s2 for 4 seconds. It then runs out of fuel and continues to move upward. Neglecting any air resistance, how high will it rise?
a rifle has the mass of 4.5 kg and it fires a bullet mass 10.0 at a muzzle speed of 820 m/s. What is the recoil speed as the bullet leaves the gun barrel
You are given a container with 56 g of hydrogen atoms. What is the total charge on the electrons in the container
Concept to find certain type of electronic devices & circuits.
Suppose a 32.3 V battery is connected to a long cylindrical wire, and a current of 2.44 A flows. Find the work done by this battery to push one electron through the entire length of the wire
A burglar alarm in a house emits sound at a fixed frequency of 3.1 kHz. On a windy day a person cycles past the house while the alarm is sounding. What frequency does the cyclist hear
At a time t = 2.60s , a point on the rim of a wheel with a radius of 0.180m has a tangential speed of 55.0m/s as the wheel slows down, Calculate the wheel's constant angular acceleration
You have a sample of Xenon in a rectangular container. The gas exerts a total force of 58.1 N perpendicuar to one of the container walls, Calculate the pressure of your sample
The ceiling is of height 3.5 m, and the balloons are launched at a velocity of 10 m/s. The acceleration of gravity is 9.8 m/s2. Evaluate at what angle must they be launched to just graze the ceiling?
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