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A cart of a mass 300 kg is pushed up a track at an angle of44 degrees from the bottom to a position that is 30m higher thanthe bottom in a time of 25 seconds. There is no friction.
What is the velocity at the bottom?
If the cart began its upward journey to the top by being propelledfrom a spring that as compressed a distance of 4m, then what is thespring constant?
A submarine is located 1.000 km below the surface of the water. What is the absolute pressure of the seawater on the outside of the submarine
Two capacitors, C1 = 6.00 µF and C2 = 14.0 µF, are connected in parallel, and the resulting combination is connected to a 9.00-V battery. (a) Find the equivalent capacitance of the combination.
A light beam containing red and violet wavelengths is incident on a slab of quartz at an angle of incidence of 50.00°. Find the dispersion of the slab, which is defined as the difference in the angles of refraction for the two wavelengths
A diesel engine performs 2090 J of mechanical work and discards 4125 J of heat each cycle. What is the thermal efficiency of the engine?
The potential at location A is 392 V. A positively charged particle is released there from rest and arrives at location B with a speed vB. The potential at location C is 780 V, and when released from rest from this spot, the particle arrives at B wit..
question1a car moves along a road in such a way that the distance x travelled in a time t is given byx a bt 3where a
A projectile is fired from the surface of the Earth with a speed of 200 meters per second at an angle of 30 degress above the horizantal. If the ground is level, illustrate what is the maximum height reached by the projectile?
A square with sides of length L has a point charge at each of its four corners. Two corners that are diagonally opposite have charges equal to +2.11 µC; the other two diagonal corners have charges Q. Find the magnitude and sign of the charges Q such ..
Find the critical angle of total internal reflection from glass with refraction index n = 1.51 into air
A 60 (g} tennis ball with an initial speed of 32 {m/s} hits a wall and rebounds with the same speed. The figure shows the force of the wall on the ball throughout the collision.
Choose one part of the photo-electric experiment that cannot be explained by assuming that light is a wave. Why do we need the concept of light as a particle?
Suppose that the coefficient of kinetic friction between Zak's feet and the floor, while wearing socks, is 0.250. Knowing this, what distance d will he slide before stopping
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