Evaluate the velocity of cart
A cart of mass 2.3 kg is moving with a velocity of 15.2 m/s. It makes a head-on perfectly inelastic collision with a stationary cart B with mass 8.1 kg causing them to travel with a velocity 10.94 m/s. What is the velocity of cart B?
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Clothing has a static coefficient of friction against steel in the range 0.60 to 1.0 and a kinetic coefficient in the range 0.40 to 0.70. What is the minimum rotational frequency in rpm, for which the ride is safe?
A very massive object traveling at 100 m/s in the +z direction strikes a very light object that is initially at rest. If the collision is totally elastic, what is the velocity of the heavier object?
The convection coefficient is 5.5 W/m^2 *k and radiation coefficient is 10 W/m^2 * k. Determine the heat rate per unit length from the pipe (W/M) and the insulation outer surface temperature (K).
The heat capacity of iron is 0.449 J/g·K. A blacksmith is hammering a 261 g horseshoe that has been heated to 1200 K. To cool the horseshoe, the blacksmith tosses it into a bucket containing 34 L of water at 25°C.
Suppose five students from the class are chosen at random what is the probability none are mechanical engineering majors?
The conversion of diamond to graphite is a thermodynamically favorable process. Suggest a reason why diamond does not change to graphite spontaneously.
Suppose that a hypothesis test is to be carried out by using ?=0.04. What is the probability of committing a type 1 error? (Give your answer correct to 2 decimal places)
If k = 50 N/m, m = 0.50 kg, d = 10 cm, and the coefficient of kinetic friction between the block and the horizontal surface is equal to 0.25, determine the speed of the block when it first passes through the position for which the spring is unstre
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