Questions 1. A transport truck with a mass of 10 000 kg and a car with a mass of 2000 kg are
travelling at the same velocity (100 km/h) but in opposite directions. The truck is
travelling to the left, and has a momentum of -1 000 000 kg:km/h. The car is
moving to the right, and has a momentum of + 200 000 kg:km/h. What is the total
momentum after the collision? In which direction will these vehicles move if they
collide

In 1980, alfa romeo introduced the first system to smooth a rough idle caused by ignition and camshaft timing changes.

A30 kg weight lies on top of a massless piston of area a = 0.01 m2 the exterior air is at a (constant) p =1 atm and t = 27 c. the interior gas is 0.4 moles of (ideal) n2 and it has initial temperature 27.00 degrees c. 1. what is the initial pressure in the interior? a. 29.4 kpa b. 130.7 kpa c. 101.3 kpa the next three questions concern what happens when an amount of heat q is slowly added to the interior, raising the piston by 1 mm and raising the interior temperature to 27.40 c

The intensity of a polarized electromagnetic wave is 12 w/m^2. part a) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=0∘ with the plane of polarization? part b) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=30∘ with the plane of polarization? part c) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=45∘ with the plane of polarization? part d) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=60∘ with the plane of polarization? part e) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=90∘ with the plane of polarization?