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a 1490 kg car has just passed a diner. the closest the car came to the diner was r=40.5, but the car has driven another x=30.7 m in the 2.25 s elapsed since then. If the car travels at constant speed, what is the current magnitude of the angular momentum of the car about the diner?
A car moves along the x-axis in the positive direction. Find the sign (+,-) of the velocity and acceleration of the car for each situation: 1. The car moves AWAY from the origin and gets FASTER 2.
Calculate the velocity of a 50.0g steel ball shot from a slingshot with a 120N/m spring constant when pulled back 35cm and released
A 2.0 mm-diameter glass bead is positively charged. The potential difference between a point 2.2 mm from the bead
An ideal refrigerator does 130 J of work to remove 655 J of heat from its cold compartment during each cycle. How much heat per cycle is exhausted to the kitchen
directed into the plane of the computer screen as shown in the figure. Identify the magnitude and direction of the resultant magnetic field at P.
Suppose Fuzzy, a quantum-mechanical duck, lives in a world in which h = 2πJ • s. Fuzzy has a mass of 2.00 kg and is at first known to be within a pond 1.00 m wide.
A hot air balloon decends toward the ground with a velocity of (1.6 m/s). A champagne bottle is opened to celebrate takeoff, expelling the cork horizontally with a velocity of (4.0 m/s) relative to the balloon.
A typical red blood cell subtends an angle of only 1.91E-5 rad while viewed at a person's near-point distance of 25cm. Assume a red blood cell is examined with a compound microscope in which the objective and eyepiece are separated by a distance o..
A driver traveling at 59 km/h sees a chicken dash out onto the road and slams on the brakes. Accelerating at -7 m/s2, the car stops just in time 24.3 m down the road. What was the driver's reaction time (i.e., the time that elapsed before he engag..
Cliff and Will are carrying a uniform 2.0m board of mass 74kg. Will is supporting the board at the end while cliff is 0.6m from the other end, Find the normal forces exerted by Cliff and Will
Ladder 6.55 m long leans against the side of a building. If the ladder is inclined at an angle of 65.5° to the horizontal, what is the horizontal distance from the bottom of ladder to the building.
how high does it rise above the point of release. guess the speed of the car just before braking.
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