What is the defenition of mass

What is the wavelength of an earthquake wave if it has a speed of 4 km/s and a frequency of 7 Hz?

A 1.70 m cylindrical rod of diameter 0.500 cm is connected to a power supply that maintains a constant potential difference of 14.0 V across its ends, while an ammeter measures the current through it. You observe that at room temperature (20.

If a gas has an absolute pressure of 319 kpa. It gage pressure is A) 419kpa B) 219 kpa C) 439 kpa D) 199 kpa

The table below shows the amount of force acting on the same mass and the resulting acceleration. Review the table. Force Acceleration 0 N 0 m/s2 150 N 1 m/s2 200 N 1.3 m/s2 250 N 1.6 m/s2 350 N 2.3 m/s2 400 N 2.

The threshold of hearing for humans is 30 decibels. True False

Find the unbalanced force required to accelerate a 6kg mass at 3ms

A bus travels 300 km south along a straight path with an average velocity of 85 km/h to the south. The bus stops for 22 minutes. Then it travels 220 km south with an average velocity of 78 km/h to the south.

In what way does varying the length of the string change the vibration

A 1200 kg car moving at 7.8 m/s collides with a stationary car of mass 1500 kg. if the two vehicles lock together, what is their combined velocity immediately after the collision?

Which have more kinetic energy a 100g ball, a 200g ball, or a 500g ball explain