Why does the speed of sound vary depending on the medium through which it travels. in general?

Which substance is a heterogeneous mixture? A. Chicken noodle soup B. A sugar cube C. Pure olive oil D. Liquid dishwashing soap

What process of the hydrological cycle is maintained by the ocean's large surface area?

The height of a coffee mug would be аbout: 500 mm 8 cm 20 cm 0.1 km

A small object moves along the x-axis with acceleration ax (t) = - (0.0320m/s3) (15.0s-t). At t = 0 the object is at x = - 14.0 m and has velocity v0x = 8.90 m/s. What is the x-coordinate of the object when t = 10.0 s?

8. When a 100 N bag of nails hangs motionless from a single vertical strand of rope, how many newtons of tension are exerted in the strand? - What if the bag is supported by four vertical strands?

The direction of the force on a current-carrying wire in a magnetic field is

One 10.0 amp resistor is wired in a series with two 10.0 amp resistors in parallel. A 45.0 C battery supplies power to the circuit. What is the total current through the circuit?

How to find acceleration

Which of the following involves the emission of a particle that has the same mass of an electron with a positive charge. a. alpha decay c. positron emission b. beta decay d. nuclear forces

Which of the following is an example of distance