Questions Asked on March 25, 2020

What was an effect of the United States' entry into World War I? Britain shifted most of its troops... Asked on March 25, 2020 at 12:05 AM I've got a few science questions i would like to check. 1.) An ecosystem that endures over time Se... Asked on March 25, 2020 at 12:27 AM A weight lifter lifts a 200 kg barbell from the floor to a position directly over his head 2.5 meter... Asked on March 25, 2020 at 12:46 AM How much work is done in pushing a 45.5 kg trunk 9.75 meters across the floor if the coefficient of... Asked on March 25, 2020 at 12:47 AM How much work is done on a sled if it is pulled 20 meters by a force of 105N applied to a rope that... Asked on March 25, 2020 at 12:49 AM A pulley system has an efficiency of 87.5%. How much rope must be pulled if a force of 648N is neede... Asked on March 25, 2020 at 12:50 AM A elevator is rated at 25.0 kW. At what speed could the motor lift an 850 kg elevator with three pa... Asked on March 25, 2020 at 12:52 AM A 40N crate starting at rest slides down a rough 6.0m long ramp inclined at 30 degrees with the hori... Asked on March 25, 2020 at 12:55 AM How much power does a 63.0 kg athlete develop as he climbs a 5.2 meter rope in 3.5 sec Asked on March 25, 2020 at 12:56 AM How to write each ratio as a fraction in simplest form Asked on March 25, 2020 at 1:02 AM