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How much do you accelerate a cruise ship (m = 2.5 X 107 kg) when you step off it? Use your actual mass to figure this out and assume the acceleration the ship puts on you is 2.3 m/s2.
A 700kg car stopped at an intersection is rear-ended by a 1800kg truck moving with a speed of 16.0 m/s, find the final speed of the truck
An airplane flies between two points on the ground that are 500 km apart. The destination is directly north of the origination of the flight. The plane flies with an air speed of 120 m/s.
The image behind a convex mirror (radius of curvature =72 cm) is located 21 cm from the mirror. Where is the object located? What is the magnification of the mirror? Decide whether the image is upright or inverted.
Calculate the first 3 energy levels for an electron in a 1-D quantum well with width of 2nm and infinitely high and steep walls.
When he accelerates from a stoplight, the tassel deflects backward toward the rear of the car hanging at an angle of 6.30° relative to the vertical. Find the tension in the string holding the tassel
when you place a saltshaker 30 cm from your magnifying glass a real image forms 30 cm from the lens on the opposite
A spring is hung from the ceiling. A 0.531 -kg block is then attached to the free end of the spring. When released from rest, the block drops 0.167 m before momentarily coming to rest, after which it moves back upward. (a) What is the spring constant..
A nonconducting solid sphere of radius 11.6 cm has a uniform volume charge density. What is the sphere's volume charge density
A 10-cm-diameter cylinder of helium gas is 20 cm long and at 20°C. The pressure gauge reads 120 psi. how many helium atoms are in the cylinder? what is the mass of the helium?
Your medieval history class is constructing a trebuchet, a catapult-like weapon for hurling stones at enemy castles, Find an expression for the angle that will maximize the range of a projectile launched with speed from height above level ground
a uniform 2.8 magnetic field points to the right a 2.19 m long wire carrying 21.8 a is placed at an angle of 23
A .250kg ball is thrown horizontally at 16.8m/s Find its change in the magnitude of the momentum
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