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A rocket powered sled accelerates from rest with fix acceleration. After t=10sec it has traveled a distance x=400meter. Calculate what is its speed at this point?
A destroyer sends a sonar pulse out to detect a submarine directly below the ship in the ocean. If the speed of sound in what is 1517 m/s and it takes 64.13 s for the return pulse to hit the hydrophone on the bottom of the ship, how deep is the su..
A river that is 207 m wide flows due east at a uniform speed of 1.9 m/s. What is the magnitude of the boat's velocity
A large storage tank, open at the top and filled with water,develops a small hole in its side at a point 15.4 m below the water level. If the rate of flow from the leak is equalto 2.80*10-3 m3/min, determine thespeed at which the water leaves the ho..
You are designing a delivery ramp for crates containing exercise equipment. Calculate the maximum force constant of the spring
Two capacitors give an equivalent capacitance of 9.50 pF when connected in parallel and an equivalent capacitance of 1.60 pF when connected in series. What is the capacitance of each capacitor?
A jet pilot takes his aircraft in a vertical loop. If the jet is moving at a speed of 360 m/s at the lowest point of the loop, determine the minimum radius of the circle
A football player with a mass of 87 kg and a speed of 2.1 m/s collides head-on with a player from the opposing team whose mass is 120 kg, Find the speed of the players after the collision
A parallel plate capacitor is made of two parallel disks of metal separaded by a gap. The radius of the disk is 2.0m, the distance between the plates .25m. What is the energy stored in the capacitor
A 8.5 kg block moves at 9 m/s to the right while a 8.5 kg block moves at 10 m/s to the right. Find the kinetic energy relative to the center of mass
1. identify three specific challenges to making direct measurements in the fields of astronomy chemistry physics or
a 137cs source has an activity of 700 microci. a gamma photon with energy 0.662 mev is emitted with a frequency of
A 20 kg child is on the swing that hangs from a rope 3.5 m long. What is her speed at the bottom of her arc if she swings to out 90 degrees.
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