The gravitational potential energy of a cucumber-harth system changes when which factor changes? A) the cucumber's speed
B) the cucumber's mass
c) the cucumber's temperature
D) the length

Select the correct answer. brian is repairing an old alarm clock. he needs to replace a device that converts the electric energy into sound energy. which of these devices should he use? a. battery b. buzzer c. motor d. switch

Which of the following is not a part of a wave? question 2 options: a: frequency b: refraction c: wavelength d: amplitude (whoever answers correctly first gets brainiest! ) ~kayla

•• al and bert are jogging side-by-side on a trail in the woods at a speed of 0.75 m/s. suddenly al sees the end of the trail 35 m ahead and decides to speed up to reach it. he accelerates at a constant rate of 0.50 m/s2, while bert continues on at a constant speed. (a) how long does it take al to reach the end of the trail? (b) once he reaches the end of the trail, he immediately turns around and heads back along the trail with a constant speed of 0.85 m/s. how long does it take him to meet up with bert? (c) how far are they from the end of the trail when they meet?