A motorcycle has a constant acceleration of 2.5 meters per second squared Both the velocity and acceleration of the motorcycle point in the same direction

How much time is required for the motorcycle to change its speed from 21 to 31 m/s z

List one type of erosion and describe how it happens?

The energy released by a chemical reaction can be measured using a calorimeter. when barium hydroxide octahydrate crystals are reacted with dry ammonium chloride inside of a coffee cup calorimeter, the temperature of the 18.00 g of water in the calorimeter decreases from 30.0°c to 8.0°c. the equation for calculating energy absorbed or released by a reaction is: where q is the energy released or absorbed, m is the mass of water in the calorimeter, cp is the specific heat of water, and δt is the observed temperature change. if the specific heat of liquid water is 4.19 j/g·°c, how much energy was absorbed by the reaction?

What is the name of the perceived change in a sound wave’s frequency due to motion between the observer and the sound source?