Answer:
Step-by-step explanation:
A fixed pulley consists of a wheel fixed to a shaft and is used in conjunction with a belt to transfer energy to another fixed pulley. A movable pulley consists of a shell, a movable wheel and a rope. Movable pulleys are also know as block and tackle.
PrimeAnswer:
Step-by-step explanation:
<span>Since charged particles cannot move across the membrane easily due to them being hydrophobic, they require a transport protein that expends energy in the form of ATP. ATP attaches onto the transport protein which changes the shape of the protein allowing ions to flow in, and it leaves a phosphate group turning into ADP.When the molecule has crossed the membrane, the phosphate group is detached from the protein.</span>
Answer:A) At this same rate (speed) how far can she ride in two hours?
B) how long would it take for her to ride 4 miles?
C) what is her unit rate in miles per hour?
Step-by-step explanation:pls mark me as brainest pls