Acar moving south speeds up from 10 m/s to 40 m/s in 15 seconds. What is the car's acceleration?

2 m/s2

15 m/s2

30 m/s2

50 m/s2

The specific heat capacity of methane gas is 2.20 j/g-k. How many joules of heat are needed to raise the temperature of 5.00 g of methane from 36.0°c to 75.0°c?

2h 10 min expressed in second

What is true for two pieces of iron at the same temperature? A. The average kinetic energy of their particles is the same. B. The total kinetic energy of their particles is equal. C. Heat flows from the larger object to the smaller object. D.

Arrange the following stars in the order that reflects the life cycle of a star: white dwarf, red giant, and main-sequence star.

Which metalloid is often found in microchips, semiconductors, and sand? a. boron b. arsenic c. germanium d. silicon

What two equations can be used to determine the speed of a wave

Which force has an infinite range and is always attractive?

A ramp with a mechanical advantage of 8 lifts objects to a height of 1.5 meters how long is the ramp

Sodium, atomic number 11, forms an ionic bond with an atom of an unknown element. What is one possible choice for the ther element in the compound?

A ship leaves the island of Guam and sails a distance 255 km at an angle 49.0 o north of west. Part A: In which direction must it now head so that its resultant displacement will be 125 km directly east of Guam?