How does air leaving a ballon push the car forward?

A 1.5-kg playground ball is moving with a velocity of 3.0 m/s directed 30° below the horizontal just before it strikes a horizontal surface. The ball leaves this surface 0.50 s later with a velocity of 2.0 m/s directed 60° above the horizontal.

How long does core helium burning last in a star compared with core hydrogen burning?

Radiant heat transfers energy A.) To nearby solid objects B.) To the surrounding air

A 2.10-kg block starts from rest at the top of a 30.0° incline and slides a distance of 1.90 m down the incline in 1.40 s. (a) Find the magnitude of the acceleration of the block.

What's the formula to torque?

Three cars (car f, car g, and car h) are moving with the same velocity when the driver suddenly slams on the brakes, locking the wheels. the most massive car is car f, the least massive is car h, and all three cars have identical tires.

A stationary 90 kg baseball pitcher throws a 0.15 kg baseball forward at 40 m/s. What is the linear momentum of the baseball? Select one: 0.0038 kg. m/s 3600 kg. m/s 267 kg. m/s 6 kg. m/s

A copper wire has a length of 1.50 m and a cross sectional area of 0.380 mm2. If the resistivity of copper is 1.70 ✕ 10-8 Ω · m and a potential difference of 0.700 V is maintained across its length, determine the current in the wire (in A).

Which is the largest gas giant?

Two hockey pucks, labeled A and B, are initially at rest on a smooth ice surface and are separated by a distance of 18.0. Simultaneously, each puck is given a quick push, and they begin to slide directly toward each other.