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A 0.0250 kg bullet moving horizontally at 450 m/s embeds itself into an initially stationary 0.500 kg block.
The bullet-embedded block now strikes and sticks to a stationary 2.00 kg block. How far does this combination travel before stopping?
A kid fires a squirt gun horizontally from 1.3mabove the ground. It hits another kid 1.9m away square in the back, 0.96m above the ground. What was the water's initial speed
A hill that has a 17.2 % grade is one that rises 17.2 m vertically for every 100.0 m of distance in the horizontal direction. At what angle is such a hill inclined above the horizontal?
In order to determine the mass of a molecule, first an electron is removed from the molecule. find the magnitude of the centripetal force exerted on the ion
An object with a charge of -4.4?C and a mass of 1.7×10?2kg experiences an upward electric force, If the electric charge on the object is doubled while its mass remains the same, find the direction and magnitude of its acceleration
Find out the magnitude and direction of the initial velocity.
A train sounds its horn as it approaches an intersection. The horn can just be heard at a level of 46 dB by an observer 10 km away. What is the average power generated by the horn
A 710 kg car stopped at an intersection is rear-ended by a 1800 kgtruck moving with a speed of 16 m/s. If the car was in neutral andits brakes were off, so that the collision is estimated elasticfind the final speed of the truck. Find the final sp..
In a game of basketball, a forward makes a bounce pass to the center. The ball is thrown with an initial speed of 4.3 at an angle of 24above the horizontal. It is released 0.75 above the floor.What horizontal distance does the ball cover before bounc..
two firecrackers explode at the same place in a rest frame with a time separation of 20 s in that frame.find the time
Both ends of a glass rod with index of refraction 1.60 are ground and polished to convex hemispherical surfaces. Determine is the object for this surface real or virtual
When its coil rotates at a frequency of 280 Hz, a certain generator has a peak emf of 75V. What is the peak emf of the generator when its coil rotates at a frequency of45 Hz? Determine the frequency of the coil'srotation when the peak emf of the ..
A 30.0 kg rock slides on a rough horizontal surface at 7.50 m/s and eventually stops due to friction. What average thermal power is produced as the rock stops
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