What type of energy is present in a barbell being lifted or a shot-put being thrown?

a. mechanical energy

b. thermal energy

c. chemical energy

d. electrical energy.

A boat leaves a dock at 6:00 PM and travels due south at a speed of 20 km/h. Another boat has been heading due east at 15 km/h and reaches the same dock at 7:00 PM How many minutes after 6:00 PM were the two boats closest together

Which is the correct order of events at a power plant? Question 9 options: A) Coal burned - > Heats water - > Creates Steam - > Turns a turbine B) Turbine turns - > Heats water - > Creates Steam - > Electricity travels down the lines C) Coal burned

How much force is needed to accelerate a 2000 truck at a rate of 1.5 m/s2

How big is observable universe? How do we know that?

A parallel-plate capacitor is charged until it carries charge + q + q on one plate and charge - q - q on the other plate. The capacitor is then disconnected from the power supply and isolated.

Unpolarized light passes through three polarizing filters. The first filter has its transmission axis parallel to the z direction, the second has its transmission axis at an angle of 30.

A skier accelerates down the hill at 3m/s2 how fast is he going in 4 seconds

Which is a benefit related to abstaining from alcohol? decreased blood pressure increased medication interactions increased neurological problems decreased fertility Choose 2 answers.

A cheetah runs with a average speed of 110km/h. If his sprint lasts 5.0s, how far does he travel

A team of sled dogs starts pulling a sled at the start of a dog-sledding race. The total mass of the sled is 205 kg, including the driver and load, and the net force acting on the sled is 744 N to the north. What is the sled's acceleration?