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Let's consider an elastic collision between two marbles, where the marbles are confined to one dimension. Suppose marble 1 with a mass of 40 g is shot with a speed of 5 m/s into marble 2 with a mass of 20 g. What will be the speed of marble 2 after the collision?
A diver can reduce her moment of inertia by a factor of 3.5 when changing from a straight position to the tuck position. find her angular speed when in the straight position
A defective starter motor in a car draws 260 A from the car's 12-V battery, dropping the battery terminal voltage to 6.0 V. What will the battery terminal voltage be with a good starter
a if your usual weight is 180 lbs and you are in an elevator which is going up and speeding at a rate of 8 fts2 what
In a physics lab, you attach a 0.200-kg air-track glider to the end of an ideal spring of negligible mass and start it oscillating. Find the spring force constant
What is the volume flow rate through the hole in L/min. What is the rate in mm/min at which the water level in the tank will drop if the water is not replenished?
when 170 v is applied across a wire that is 7.7 m long and has a 0.25 mm radius the magnitude of the current density is
A high-speed lifting mechanism supports a 880-kg object with a steel cable that is 39.0 m long and 4.00 cm2 in cross-sectional area. Determine the elongation of the cable
Potassium has a work function of 2.21 eV. What is the maximum kinetic energy of electrons escaping from a sample of potassium if photons of frequency 6.00×10 14 Hz strike it?
1 what is the lens equation? what do o i and f stand for in the equation?2 what are the five parts of the optical bench
A car travels along a straight line at a constant speed of 41.5 mi/h for a distance d and then another distance d in the same direction at another constant speed. What is the average speed for this new trip
Three liters (3000 cm3) of oil is spilled onto a smooth lake. If the oil spreads out uniformly until it makes a circular oil slick just one molecule thick, estimate the diameter of the oil slick
A 2.0 mL syringe has an inner diameter of 4.0 mm, the needle inner diameter of 0.21 mm, and a plunger pad diameter (where you place your finger) of 1.20 cm. A nurse uses the syringe to inject medicine into a patient whose blood pressure is 140/100. S..
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