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A 10 g bullet moving 1000 m/s strikes and passes through a 2.0-kg block initially at rest, as shown. The bullet emerges from the block with a speed of 400 m/s. (a) How much energy was lost in the collision? (b) Calculate the average force exerted on the block assuming that the impact time is 10-4s. (c) to what maximum height will the block rise above its initial position?
A 20cm long hollow tube of inner diameter 2.8nm, outer diameter 3.0mm is connected to a battery. what is the potential drop across the tube
Consider a Boeing 777-200 airplane of wing span 60.93 m cruising horizontally at Mach 0.785 (about 828 km/h) due north in a region where the earth's magnetic field is .98*10
A plane mirror is lying flat in the x-y plane with its reflecting surface facing up. A point source of light is located at (x=0.0 m, y=2.0 m, z=3.0 m). What is the distance from the object to the image
at the top of a 100m cliff a backpack is dropped. one second later an archer fires an arrow straight down that hits the backpack just as it reaches the ground, How long does it take for the backpack to reach the ground
What is the electric field strength between the disks. What is the speed of the box at the end of the 5.7-s interval.
Two thin slits are 0.050 mm apart. Monochromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent interference fringes
A ten pound car wheel has a moment of inertia of 0.38 kg m2. While rotating at a constant speed the wheel makes 35.64 revolutions in 5.5 s
consider a theoretical head on collision between two carts of equal mass and equal speed. what is teh total momentum before collision
What is the magnitude of the dipole moment and find an expression for the electric field Eat the center of the semicircle. Give your answer in component form.
A 45kg figure skater is spinning on the toes of her skates at 1.2rev/s . Her arms are outstretched as far as they will go. What is her new rotation frequency, in revolutions per second
An archer puts a 0.54 kg arrow to the bowstring. An average force of 202 N is exerted to draw the string back 1.3 m. suppose that air resistance is negligible.
A compressed-air cylinder stands 96.0 cm tall and has internal diameter 21.0cm cm . At room temperature, its pressure is 161 atm. How many moles of air are in the cylinder
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