Determine the acceleration of the body
A body with the shape of a rectangular parallelepiped moves without slipping on two cylindrical rollers. The mass os each roller is 1200 kg, and the mass of the body is 2200 kg. Determine the acceleration of the body?
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If the railway gun was at rest before firing and moved to the right at a speed of 4.33 m/s immediately after firing, what was the speed of the projectile as it left the barrel (muzzle speed)? Assume that the wheel axles are frictionless.
A student randomly guesses the answers to six questions true/false quiz. If there is a 50% chance of guessing correctly on each question, what is the probabilty that the student misses exaclty 1 question?
If viscous affects are negligible. Determine the diameter, D(z), in terms of D1 if the pressure is to remain constant throughout the pipe. That is P(z)=P1.
A copper wire is placed to be parallel to the x-axis. The magnetic field is in the y-axis. When this copper wire is moving in the z-direction, in which direction the conducting electrons in the copper wire will move? Explain.
Suppose a committee of 3 people is to be selected at random from a group consisting of 6 men adn 4 women. What is the probability that all three people selected are men?
A billiard ball of mass 0.162 kg has a speed of 1.31 m/s and collides with the side of the billiard table at an angle of ?1 = 40.1°. For this collision, the coefficient of restitution is 0.841. What is the angle ?2 (in degrees) with which the
A company conducts random drug tests each month; employee selections are independent of any previous months' selections. If the company tests 30% of its employees each month, what proportion of employees were (a) tested every time in three months,
your company owns a parcel of land in a currently undeveloped part of the country. Based on expected monetary value of persent worth, what, if anything should be done with the land?
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