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If transverse waves on a string travel with a velocity of 20 meter per second when the string is under a tension of 30 Newton, obtain what tension will be required for the waves to travel with a velocity of 40 m/s on the same string?
A 20,000-kg railroad car travels down the track at 30 m/sec and hits a second stationary railroad car of 10,000 kg. Calculate the final velocity of the cars
A 2.8-kg 13-cm-radius cylinder, initially at rest, is free to rotate about the axis of the cylinder. A rope of negligible mass is wrapped around it and pulled with a force of 16 N.
A rocket is launched at an angle of 54.0° above thehorizontal with an initial speed of 97m/s. The rocket moves for 3.00 s along its initial line of motionwith an acceleration of 30.0m/s2. At this time, its engines fail and the rocket proceeds to m..
Suppose you have a gamma ray photon of wavelength 0.0001 nm that hits a muon. If the exiting gamma ray comes out at 30°, what is the wavelength of the exiting photon
a container of cross-sectional area 117 cm2 contains liquid of density 2.4 gcm3 to a height of 5.10 cm above a small
A physics lecture room has a volume of 254 m3. For a gas pressure of 1.00 atm and a temperature of 27.0 oC, use the ideal gas law to estimate the number of air molecules in the room
an electron moves through an electric field and its speed drops from 2800 ms to 1900 ms. whats the potential difference
In a muonic atom, the electron is replaced by a negatively charged particle called the muon. What is the shortest wavelength of the Lyman series in a muonic hydrogen atom
On a summer day in Houston, the temp. is 35 degrees C and therelative humidity is 75%. What is the humidity
A car travels at an average speed of 88.0 km/h for 1.00 h and then at an average speed of 40.4 km/h during a second hour. What is the car's average speed through the 2.00 h interval?
q1. a roller coaster 305 kg moves from a 5.00 m above the ground to b 23.0 m above the ground two non conservative
Order of magnitude estimation: Using physics intuition, estimate the muzzle velocity of a projectile launcher
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