You adjust the temperature so that a sound wave travels more quickly through the air. You increase the temperature from 30°C to 36°C. What's the velocity of the sound wave at this new temperature? A. 344.0 m/s B. 335.6 m/s C. 350.0 m/s D. 352.6 m/s

Supriya has a pre-paid electricity connection at home. On a sultry Sunday afternoon, she checks that she only has ₹9 left in the balance. She wants to use the air conditioner (AC), rated at 1.2 kW. The price of electricity is ₹10 / unit in her area.

A cup has a height of 6.00 inches. How many centimeters is this? (Note: 1 in = 2.54 cm) A. 2.36 cm B. 8.20 cm C. 12.1 cm D. 15.2 cm

um corpo de massa 100kg encontra-se a uma altura de 180m numLocal onde g = 10m/s² quando e solto. Qual a sua energia potencial gravitacional após de queda? Qual sua energia cinética ao atingir o solo?

A 0.250 kg toy truck is rolling across the floor at a rate of 1.25 m/s. It is pushed by your sister with a force of 0.5 N over 2.2 s in the same direction of travel. What is its new velocity when she lets go to watch it?

A ball is moving at 7.0 m/s and has a momentum of 100 kg•m/s. What is the ball's mass?

A sonar device on a ship sends ultrasound waves under the water to locate a sunken ship. It takes the ultrasound wave 0.6 seconds to travel from the device to the sunken ship and back again. How far below the surface is the sunken ship?

How can you determine the type of radiation an atom emits as its nucleus decays

The atoms of which elements are most likely to share many electrons among many atoms? Check all that apply.

There are multiple tuning forks present in the room, and Annie strikes one with a natural frequency of 400 Hz.

How would you describe a heavy element to someone who doesn't know what it is?