What heats up hot chocolate faster? milk or water?

Which of the following is an example of biotechnology? A. Bacteria are grown in a Petri dish in a lab B. A student traces their family tree C. DNA samples are compared and used to identify suspects in a crime D.

What is the value of the charge that experiences a force of 2.4 * 10-3 N in an electric field of 6.8 * 10-5 N/C? A. 1.6 * 10-7 C B. 2.5 * 10-3 C C. 2.8 * 10-3 C D. 3.5 * 101 C

A 88 kg man stands on a spring scale in an elevator. Starting from rest, the elevator ascends, attaining its maximum speed of 1.2 m/s in 0.86 as. It travels with this constant speed for 5.0 s, undergoes a uniform negative acceleration for 1.

A certain steam turbine is designed to be used as both a power generator and a pump. When used as a generator, the turbine provides enough power to do 3 * 10^10 J of work in 1 min. What is the power output of the turbine?

A constant force is applied to an object, causing the object to accelerate at 8.0 m/s2. What will the acceleration be if a. The force is doubled? b. The object's mass is doubled? c. The force and the object's mass are both doubled?

Who invented evolution?

A puppy weighing 3 kilograms races through the dog park. if she slows from a speed of 2 meters/second to 1 meter/second, what will happen to her kinetic energy? use the kinetic energy equation. a. her kinetic energy decreases to 1.5 j b.

Which type of material would be best to use for construction in an area prone to earthquakes? concrete brick wood stone

If a car is moving along the highway at a constant speed of 50 m/s, is there an unbalanced force acting on the car? How do you know? Explain using one of Newton's Laws.

If a sprinter has an average acceleration of 9.5 m/s2, how long does it take for the person to go from rest to 10 m/s