Which substance is most likely to heat up the fastest?

water (specific heat of 4.19 / g. C°)

o copper (specific heat of. 39 / g. C°)

o aluminum (specific heat of. 90 / g • C°)

o dry air (specific heat of 1.01 / g. cº)

Two small metallic spheres with equal mass are suspended as pendulums by strings of length L. The spheres have the same electric charge and come to equilibrium with each string at an angle of Θ = 10.00° with the vertical.

The mass of car 2 is Avice the mass of car 1. If both cars have the same velocit, how does the kinetic energy of car 2 compare to car 12 * Car 2 has four times the kinetic energy Car 2 has wice the kinetic energy Both cars have the same kinetic

What is the net force acting on an object that has a mass of 20 kg and an acceleration of 2 m/s2?

During a circus act, one performer swings upside down hanging from a trapeze holding another, also upside-down, performer by the legs.

What is the potential energy of a 2kg potted plant that is on a 2 meter high plant stand?

Fast flowing water wears down the surface of a rock. This is an example of mechanical weathering chemical weathering erosion molecular weathering

What current would it need to carry in order to experience a very modest 1.0*10-3n⋅m torque?

Which of the following is the most accurate statement concerning the properties of matter? a. they can be written as symbols b. they can be observed and measured c. they cannot be tested or verified d. they change with the amount of matter present

When two sound waves are added together, interference occurs. What type of interference occurs when the overall volume increases? A. Destructive interference B. Deductive interference C. Inductive interference D. Constructive interference

Based on the data table, find the acceleration and then predict the velocity at the time 3.5 seconds.