A villain in a car traveling at 30 m/s fires a projectile along the direction of motion toward the front of the car with a launch speed of 50 m/s relative to the car. A hero standing nearby observes the projecti

Q: The SUV shown below has an initial velocity of 90 ft/s. It slams on it's brakes, coming to a stop…

A: We have to find normal force

Q: The driver of a truck has an acceleration of 0.65g as the truck passes over the top of a hump in the…

A:

Q: The car is traveling at 48 km/h when the traffic light 90 m ahead turns yellow. The driver 1. takes…

A:

Q: A batter hits the baseball A with an initial velocity of vo = 125 ft/sec directly toward fielder B…

A:

Q: 8. As the pucks approach each other their momentums have the same magnitude but opposite directions.…

A: The mass of green puck is The mass of blue puck is The initial speed of green puck is The  of…

Q: (1) A projectile is fired at point A with the angle and initial velocity shown in the figure. It…

A:

Q: An object of mass m1 = 2.0 kg moving at 1.8 m/s collides with an object of mass m2 = 1.4 kg moving…

A:

Q: A batter hits the baseball A with an initial velocity of vo= 105 ft/sec directly toward fielder B at…

A:

Q: With what velocity do they hit the tree?

A:

Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.