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A car initially traveling at 29.0 m/s undergoes a constant negative acceleration of magnitude 1.75 m/s^2 after its brakes are applied. (a) How many revolutions does each tire make before the car comes to a stop, assuming the car does not skid and the tires have a radii of 0.330 m? (b) What is the angular speed of the wheels when the car has traveled half the total distance?
A source vibrating at constant frequency generates a sinusoidal wave on a string under constant tension. by what factor does the amplitude change
The Houston Astrodome encloses a ground area of 37,000 m^2. Find the flux through the dome of the earth's magnetic field
A student sees a newspaper ad for an apartment that has 1365 square feet (ft2) of floor space. How many square meters of area are there
A roughly spherical volume of rock 2.1 km in radius is 30% denser than the surrounding rock, calculate the gravitational acceleration it produces at Earth's surface
Two people are standing on a 2.5 m longplatform, one at each end. The platform floats parallel to theground on a cushion of air, like a hovercraft. One person throws a6.6 kg ball to the other, who catches it.
A cylinder which is in a horizontal position contains an unknown noble gas at 5.26 × 104 Pa and is sealed with a massless piston. calculate the change in internal energy of the system
An ethernet cable is 3.95 m long and has a mass of 0.190 kg. A transverse pulse is produced by plucking one end of the taut cable. evaluate the tension in the cable
the space shuttle is in a 230 mile high orbit. what are the shuttles orbital period in minutes and its speed
A bumper car with mass m1 = 129 kg is moving to the right with a velocity of v1 = 4.50 m/s. A second bumper car with mass m2 = 86.0 kg is moving to the left with a velocity of v2 = -3.6 m/s. The two cars have an elastic collision. Suppose the surface..
Suppose it was launched form a launch pad in a space vacuum. Would it work? Illustrate what changes would we observe? Explain
Refrigerant r-134a flows through a refrigeration system at a rate of 0.12 kg/s. At the entrance to the adiabatic compressor, find the power required by the compressor
A football player with a mass of 87 kg and a speed of 2.1 m/s collides head-on with a player from the opposing team whose mass is 120 kg, Find the speed of the players after the collision
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