Bullet kinetic energy
A 15.0 kg bullet leaves the barrel of a gun at a speed of 240.0 m/s.
(a) Find the bullet's kinetic energy,
(b) find the average force exerted on the bullet by the expanding gases as the bullet moves through the length of the 50.0 cm barrel.
Expected delivery within 24 Hours
Determine the distance between Polaris and Earth in Meters. Polaris is 431 ly from Earth. The speed of light is 3.0 x 10^8 m/s.
A rock with a mass of 6.0kg is being whirled in a horizontal circle on the end of a rope 1.6m long. if the seed of the rock is 2.7 m/s, what is the magnitude of the centripetal acceleration?
A jeweler working with a heated 47 gram gold ring must lower the ring's temperature t make it safe to handle. If the ring is initially at 99 degrees celsius, what mass of water at 25 degrees celsius is needed to lower the ring's temperature to 38
What is the magnitude of the perpendicular force that the block exerts on the surface of the plane at a distance of 2.41 m down the incline?
Find the bullet's kinetic energy, Find the average force exerted on the bullet by the expanding gases as the bullet moves through the length of the 50.0 cm barrel.
With regenerative braking, such as that used in hybrid vehicles, only 70 percent of the kinetic energy is dissipated.) (a) Find the energy dissipated by friction. (b) Find the coefficient of kinetic friction between the tires and the road.
A cargo plane is flying horizontally at an altitude of 11 km with a constant speed of 765 km/hr when a large crate slides out of the rear of the plane. How long does it take the crate to hit the ground? The acceleration of gravity is 9.81 m/s2. Ho
In Bosnia the ultimate test of a young man's courage use to be to jump off a 400 year old bridge into the river near Neretva 23m below the bridge. If the speed of sound and air is 340 m/s how long after the jumper took off did a spectator on the
A spacecraft passes you traveling forward at 0.235 the speed of light. By what factor would its relativistic momentum increase if its speed doubled?
1929064
Questions Asked
3,689
Active Tutors
1412524
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Problem: Please paraphrase: Client handed me a holdover notice which she received from C&C management, by way of Bronx Housing Court.
Question: Taking oral contraceptives has the greatest risk to someone's health if the individual Answers:
The patient asks the nurse practitioner, "Why am I having such a problem with diarrhea? I need something to help me as unpleasant to have
An example of subjective evaluation is: Question options: conducted by an electronic nose a sequence of analytical tests that document
How do you think a nurse posting inappropriate content on their personal social media accounts, when their workplace is known?
The client is being discharged after a two-day hospital stay for new-onset angina. An angiogram revealed a 90% blockage of the left anterior descending
Problem: In which of the following situations would a Kleihauer Betke stain be indicated? Select all that apply.