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Q1. Two boats start together and race across a 46 km-wide lake and back. Boat A goes across at 60 km/h and returns at 60 km/h. Boat B goes across at 20 km/h, and its crew, realizing how far behind it is getting, returns at 70 km/h. Turnaround times are negligible, and boat that completes the round-trip first wins.
Q2. A flight attendant pulls her 71 N flight bag a distance of 322 m along a level airport floor at a constant velocity. The force she exerts is 36 N at an angle of 53° above the horizontal.
What is the magnitude of the force on an electron that is in the region between the plates at a point accurately 2.52 mm from the positive plate
A 9300 kg boxcar travelling at 23 m/s strikes a second boxcar at rest. The two stick together and move off with a speed of 15 m/s. What is the mass of the second car.
Question on constant speed
Guess scale factor of the Universe
What is velocity relative to the ice surface
After being accelerated to a speed of 1.7×10 5 m/s, the particle enters a uniform magnetic field of strength 1.00 T and travels in a circle of radius 35.0 cm (determined by observing where it hits the screen as shown in the figure). The results of th..
What is the total mass of the reagents used in the combustion throughout the 30 days . The ball makes 17 oscillations in 16 seconds. What is it the mass of the ball.
One sphere is negatively charged, with net charge -2.25 mu C, and other sphere is positively charged, with net charge 4.00 mu C. The charge is uniformly distributed within the volume of each sphere.
Determine an average acceleration in coordinates with x-axis
F ind the speed of the golf ball just after impact
How numerous atoms does each hand contain
Weight of a box is 150 pounds. The horizontal force required to move the box is 70 lb. What horizontal force is required if 60lbs is added to box.
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