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A car of 1200 kg mass is traveling uphill at an angle of 20 degrees at a constant speed.
A) What is the magnitude of the normal force on the car?
B) What is the magnitude of the force the tires are using to push the car uphill?
C) What is the weight of the car?
A hotel elevator ascends 140 {rm m} with a maximum speed of 4.59 {rm m/s}. Its acceleration and deceleration both have the magnitude of 1.93 {rm m/s^2}. How long does it take to make complete trip from bottom to top.
Write the introduction of about two pages and the literature review parts of two or three pages about fundus camera.
A tank is in the shape of an inverted cone, having height h = 2.50 m and base radius r = 0.750 m. If water is poured into the tank at a rate of 15 L/s, how long would it take to fill the tank.
Two converging lenses, each of focal length 14.5 cm, are placed 39.1 cm apart, and an object is placed 29.2 cm in front of the first. What is the magnifcation of the system
A 20.0cm -diameter cylinder of helium gas is 50.0cm long and at 30.0 ?C. The pressure gauge reads 130psi, How many helium atoms are in the cylinder
A person wears a hearing aid that uniformly increases the intensity level of all audible frequencies of sound by 34.0 dB. What is the intensity delivered to the eardrum
a bowling ball rolls across a horizontal roof with a speed of 8.57m/s If the roof is 12.5m/s above ground how far from the base of building will the ball land
A laboratory technician drops an 83.5g solid sample of unknown material at a temperature of 100?C into a calorimeter. Compute the specific heat capacity of the sample
A small asteroid is discovered in a circular orbit around a larger asteroid at a distance of 19.39 km. The period of the orbit is measured to be 76.76 hours. What is the mass of the larger asteroid
Two identical 0.11 kg blocks (labeled 1 and 2) are initially at rest on a nearly frictionless surface, connected by an unstretched spring, how far did the center of mass of the real system move
Two small metallic spheres, each of mass m = 0.40 g, are suspended as pendulums by light strings from a common point, what is the magnitude of the charge on each sphere
A lithium-5 nucleus is moving at 1.6 Mm/s when it decays into a proton and an alpha particle. What are the magnitude and direction of the proton's velocity
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