A ball of mass 0.5kg is released form rest at a height of 30m. how fast is it going when it hits the ground? acceleration due to gravity is g-9.8m/s^2

Add 1299 g and 45.1 kg and express your answer in milligrams (mg) to the correct number of significant figures. A) 4.64 x 10t mg B) 4.64 x 10s mg C) 4.64 x 10s mg D) 4.64 x 10' mg

Which radioactive decay undergoes transmutation?

When solar energy is converted to thermal energy, how is the thermal energy used? Check all that apply To provide air conditioning To cool refrigerators To heat spaces in buildings To heat water

How do weathering and deposition differ

Increasing the price of water is one way to prevent the abuse of the water supply by both consumers and industry. True False

Define and describe a mixture using examples.

Which have a positive charge? neutrons atoms protons electrons

Now that we know the velocity of the cart before the collision is 1.80m/s, let's use this to determine the linear momentum and kinetic energy of the disk-cart system before the collision. The mass of the cart is 23.5kg. The mass of the disk is 11.

A circuit is built based on the circuit diagram shown. A diagram of a closed circuit with a power source on the left labeled 60 V. There are 3 resistors in parallel, separate paths, connected to it labeled 40 Ohms, 50 Ohms and 30 Ohms.

After harvesting their main crops, such as corn and wheat, many farmers plant a second crop called a cover crop. This cover crop grows during the fall and winter and is then plowed over in the spring. What is the main purpose of a cover crop? A.