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A car in an amusement park ride rolls without friction around the track. It starts from rest at point A at a height h above the bottom of the loop. Treat car as particle a) what is the minimum (in terms of R) such that the car moves around the loop without falling off at the top? b) If h=3.5R and r=20m, calculate the speed, radial acceleration, and tangential acceleration of the passengers when the car has gone 3/4 around the loop, which is at the end of a horizontal diameter.
A 3.0 kg block is initially at rest on a horizontal frictionless surface when a horizontal force in the positive direction of an x axis is applied to the block. What is the kinetic energy of the block as it passes through x = 4.3 m
In order to decrease the intensity of a beam of unpolarized light to 10% of its original intensity using two polarizers, find the angle between the transmission axes of the two polarizers
An aircraft with a mass of 856 kg accelerates from 0 to 83 m/s in 9 seconds, at which time the aircraft launches. What is the kinetic energy of the aircraft
Imagine a landing craft approaching the surface of Callisto, one of Jupiter's moons. What is the weight of the landing craft in the vicinity of Callisto's surface
A He-Ne laser beam with an intensity of 1.00 103 W/m2 is incident from air to dense flint, Find the intensity of the beam transmitted into the dense flint
two point charges each have a value of 30.0 mC, compute the electric field midway between the two charges
In a particular rear-end car collision the driver's head rotates 45 degrees backward before being stopped by the headrest. What is the average angular velocity of the driver's head
A 11cm long animal tendon was found to stretch 3.9mm with a force of 13.8N. The tendon was approximately round by an average diameter of 8.5mm. Compute the elastic modulus of this tendon.
Two initially uncharged capacitors, of capacitance C and2C, are connected in series across a battery. The voltage across each capacitor is the same. The energy stored by each capacitor is the same.
The equation of a transverse wave traveling along a very long string is y = 7.0 sin (0.050 ?x + 8.0 ?t), Determine the maximum transverse speed of a particle inthe string
For a temperature increase of ?T1, a certain amount of an ideal gas requires 30 J when heated at constant volume, How much work is done by the gas in the second situation
Two horses are pulling a barge with mass 1.87 103 kg along a canal, Find the initial acceleration of the barge
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