Why might grinding up an antacid tablet make it dissolve in acid faster

A child is holding a cup of hot tea. His mother, a physicist, warns him not to start running with the tea. According to Newton's first law, why should his mother be concerned if the child started running?

Three polarizing filters are stacked, with the polarizing axis ofthe second and third filters at angles of 22.2^/circ and 68.0^/circ, respectively, to that of thefirst. If unpolarized light is incident on the stack, the light hasan intensity of 75.

What current risks are there to Earth from NEOs?

The drag coefficient of a car at the design conditions of 1 atm, 25°c, and 90 km/h is to be determined experimentally in a large wind tunnel in a full-scale test. the height and width of the car are 1.25 m and 1.65 m, respectively.

Copper has a specific heat of 0.385 j. A piece of copper absorbs 5000 J of energy and undergoes a temperature change from 100 Celsius to 200 degrees Celsius. What is the mass of the piece of copper?

A block of wood loses 160 j of gravitational potential energy as it slides down a ramp. if it has 90 J of kinetic energy at the bottom of the ramp we can conclude that

Explain the difference between strength, muscular endurance and power

You kick a ball with a speed of 18 m/s at an angle of 32 degrees. How far does the hall land?

Sound waves move through some liquid at a speed of 1500 m/s. If the wavelength is 3 m, what is the frequency of the wave?

What is the wavelength of radar waves with the frequency of 6.0 x 10 ^10 Hz?