Yasmin is testing an unknown solution to determine whether it is an acid or a base. She dips red litmus paper in the solution. It remains red. What can she conclude about the sample?

A bird is flying at the speed of 24m/sec and accelerates to 75m/sec. It took 3.2 sec, what was the birds acceleration?

A 6.0-kg box slides down an inclined plane that makes an angle of 39o with the horizontal. If the coefficient of kinetic friction is 0.40, at what rate does the box accelerate down the slope?3.1m/s23.4m/s23.7m/s24.1m/s2

Physical science is A. A general survey of all science B. The study of earth, its weather, and the atmosphere C. The study of the environment and interaction between living things D. The study of rocks, minerals, and resources E.

Which planets in our solar system rotate the opposite way to the others

What is a suitable material for radioactive shielding

A sound from a source has an intensity of 270 db when it is 1 m from the source. what is the intensity of the sound when it is 3 m from the source?

What experimental term is it when a ruler is dropped to the floor?

Where is most of the energy from incoming waves focused? A. spit B. headland C. underwater D. barrier beach

Exoplanets (planets outside our solar system) are an active area of modern research. Suppose you read an article stating that there is a newly discovered planetary system with three planets.

A car with a mass 1200 kg accelerates at 1.89 m/s2. What is the total force exerted by the car on the road (answer in N to two decimal places) ?