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A bullet with mass 4.88 g is fired horizontally into a 2.106-kg block attached to a horizontal spring. The spring has a constant 5.71 102 N/m and reaches a maximum compression of 5.96 cm.
(a) Find the initial speed of the bullet-block system.
m/s
(b) Find the speed of the bullet.
A 1.6 mL syringe has an inner diameter of 5.8 mm, a needle inner diameter of 0.25 mm, and a plunger pad diameter (where you place your finger) of 1.0 cm. A nurse uses the syringe to inject medicine into a patient whose blood pressure is 140/100.
A 2-m-long, 0.2-m-diameter cylindrical pine log (density = 513kg/m^3) is suspended by a crane in the horizontal position. determine the angle (theta) the cable will make with the horizontal
Two train cars are on a straight, horizontal track. One car starts at rest and is put in motion with a constant acceleration of 1.01 m/s2. Where will the cars collide
Mr. Gewanter, who's mass is 60.0 kg, is doing physics demonstration in the front of the classroom. a) How much gravitational force does he exert on 55-kg Martha in the front row, 1.50m away? b) How does this compare to what he exerts on 65-kg Lest..
A 3 kg block slides along a frictionless surface at 1.0 m/s. A second block, sliding at a faster 5.0 m/s, What is the mass of the second block
A laboratory electromagnet produces a magnetic field of magnitude 1.54 T. Find the magnitude of the maximum magnetic force that could be exerted on the proton
Determine the force acting on an electron moving at 2.5 x 10^5 meters per second when it enters a magnetic field perpendicular to its direction of motion
A 1,699-kg satellite orbits the Earth in a circular orbit with a period of 6,016 s. How high above the Earth's surface is the satellite's orbit
In lectures and in tutorials, we discussed the confinement of an electron (or other particle) to a box of infinite depth, running from x = 0 to x = a. If we, instead, define this 1-D region of confinement as running from -(a/2) to (a/2)
Your spaceship lands on an unknown planet. To determine the characteristics of this planet, you drop a 1.20 kg wrench from 3.00 mm above the ground, Express the planet's mass in terms of the earth's mass
Using the equation for the period of a pendulum, determine the period of a pendulum that is 3.0m long, Estimate the spring constant for each of the four springs on a 1260kg car if the static weight of the car causes the springs to compress 10.0cm
The coeficient of friction on a horizontal cicular track, radius 0.25 km, is 0.7. How fast can a car go around skidding out
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