Umar has two pans, each containing 500cm3 of water. Pan 1 is made from copper and pan 2 is made from iron. Both have a mass of 1.5kg. Which pan will require more energy to heat the water to 100°C?

What is the maximum power transferred to the load resistance under conditions of maximum power transfer?

If a force of 10 N is applied to a 4.5 kg object, then the object will accelerate at 2.22 m/s2. True or False?

Which type of mechanical wave needs a source of energy to produce it? a. a transverse wave b. a longitudinal wave c. a surface wave d. all of the above

The air flowing over the top of the wing travels in the same amount of time than the air flowing beneath the wing.

Two objects gravitationally attract with a force of 10N. If the distance between the two objects center is doubled, then the new force is

Which Earth system spheres are involved in this particular scientific investigation on hydraulic fracturing? Choose one or more: a. biosphere b. atmosphere c. hydrosphere d. cryosphere e. geosphere

A particle with a charge of 33 μC moves with a speed of 74 m/s in the positive x direction. The magnetic field in this region of space has a component of 0.41 T in the positive y direction, and a component of 0.86 T in the positive z direction.

While floating in space a 100.-kg robot throws a 0.800-kg wrench at 12.0 m/s toward its human partner working on the spaceship. How fast will the robot recoil?

What is the order of magnitude of the speed of light

A car is going 60.0 mi/h and has to stop in 6.0 seconds. What is the car's acceleration?