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Question: A 28 g bullet pierces a sand bag 30 cm thick. If the initial velocity was 55 m/s and it emerged from the sand bag with a velocity of 18 m/s,
Part A: What is the magnitude of the friction force (assuming it to be constant) the bullet experienced while it traveled through the bag?
I want help to find the magnitude of the friction force (assuming it to be constant) the bullet experienced while it traveled through the bag.
A boy of mass 50 kg runs up a hill of vertical height 300 m in 20 minutes. calculate the work he does climbing the hill
an astronaut floating in space is separated from his ship. his mass is 85.0kg and he is 10.0m for his ship. he throws a
A person was dropped off a bridge. The person weighs 588N and lands with a speed of 22 m/s. How high are the bridge and how much kinetic energy does the person produce before hitting the ground?
If the hour and minute hands of an analog clock are aligned at 00:00 (midnight), at what time will they next realign
A hiker determines the length of a lake by listening for the echo of her shout reflected by a cliff at the far end of the lake. Determine the length of the lake
Two point charges q' and -q' are on the x axis by coordinates a and -a , respectively. Discover a total force of a point charge q located at an arbitrary point in the xy plane.
One of the harmonic frequencies of tube B with only one open end is 2085 Hz. The next-highest harmonic frequency is 2363 Hz. What harmonic frequency is next highest after the harmonic frequency 1529 Hz
a capacitor with a charge of 5 microcoulombs has its terminals shortened by a metal wire so that the charge flows off
A typical gamma ray emitted from a nucleus during radioactive decay may have energy of 170 keV. What is its wavelength
A spring is mounted at angle of 35 degrees on a frictionless incline. The spring is compressed by 15 cm where it is allowed to propel a mass of 5.5 kg up the incline. a. if the spring constant is 550 N/m, how fast is the mass moving when it leaves th..
A VW Beetle goes from 0 to 60 mi/hr with an acceleration of +2.35 m/s2. Find the acceleration (in m/s2) of the dragster
Sam's circuit has a 24 Ω resistor that is connected in series to two 12 Ω resistors that are connected in parallel. find the value of JoAnna's resistors
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