A 50 kg aardvark runs with a speed of 6 m/s. what is the kinetic energy of the aardvark

A stone with a mass of 10 kg is sitting on the ground, not moving. a) What is the weight of the stone? b) What is the normal force acting on the stone?

A seismograph station can determine its distance from an earthquakes epicenter by

Phyllis had always been the one to take care of Douglas, now he feels as if it is his duty and privilege to take care of her, even though others don't agree.

A 0.156 kg ice puck collides with a 0.170 kg ice puck. both were originally moving at the same speed. which one has the larger change in velocity? they both have the same change in velocity. the 0.156 kg puck changes velocity the most.

1.9 kg block of iron at 24 °C is rapidly heated by a torch such that 14 kJ is transferred to it. What temperature would the block of iron reach (assuming the complete transfer of heat and no loss to the surroundings) ?

The type of current supplied by a battery in a flashlight is an alternating current. True or False?

A. What is the change in internal energy if 500 J of heat is added to a system and 100 J of work is done by the system? Show your work. b. Describe two sets of conditions of heat and work that cause a decrease in internal energy. c.

Which of the following radioactive emissions is the most penetrating? alpha particles beta particles gamma rays

A car has a unibody-type frame and is supported by four suspension springs, each with a force constant of 47100 N/m. The combined mass of the car's frame and everything inside it (the engine, the seats, the passengers, etc.) is 1190 kg.

A ball is thrown upward with an initial velocity of 20 m/s how high will it go