Force of gravity does the crane do on the ball
A crane lifts a ball weighing 2 x 10^4 N by 40 m in 2 seconds.
A) How much work against the force of gravity does the crane do on the ball?
B) how much power is necessary to perform this work?
Expected delivery within 24 Hours
A drop of water has a volume of .05 mL. If the density of water is 1.0g/mL, how many molecules of water are present in the drop? The gram molecular weight is 18.016.
A spring with k = 51 N/m hangs vertically next to a ruler. The end of the spring is next to the 15 cm mark on the ruler. If a 2.9 kg mass is now attached to the end of the spring, where will the end of the spring line up with the ruler marks?
Consider the reaction: CO2(g) + H2(g) -> CO(g) + H2O(g), for which Kc= 0.64 at 900K. If the initialconcentrations of CO2 and H2 are each 0.100 M, what will be the equilibrium concentrations of each species after the reaction reaches e
What is the mass flow rate of seasonings that exit the tumbler unattached to the potato chips (and must be recycled)?
A crane lifts a ball weighing 2 x 10^4 N by 40 m in 2 seconds. A) How much work against the force of gravity does the crane do on the ball?
The initial temperature of the plate and the cooling air temperature are 295 K when 300 W of power are switched on. 1) Find the plate temperature after 10 minutes, Find the steady temperature of the components.
Which of the following are true statements about the p-value and hypothesis tests?
Assume they had decided based upon the initial confidence interval from a sample of 2000 customers to not go ahead with the gift due to concern that the average donation would not cover the $0.50 cost associated with the gift. Based upon your answ
A small metal ball with a mass of 4.0 g and a charge of 5.0 mC in located at a distance of 0.70 m above the ground in an electric field of 12 N/C directed to the east. The ball is then released from rest. What is the velocity of the ball after it
1922190
Questions Asked
3,689
Active Tutors
1412489
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Explain the risks of not reporting the results of your forensic assessment findings accurately. Provide specific examples.
Read "The Effect of Tart Cherry Juice Compared to a Sports Drink and Cycling Exercise Performance, Substrate Metabolism, and Recovery" from University Library
Identify and analyze one resource that provides information regarding services for dealing with and treating substance use and abuse in youth or adolescence.
Discuss how culture may influence one's perceptions. Provide an example of how culture may impact the interaction between a patient/client
Write an essay describing your achievement of a goal and your friends or family member's achievement of a goal using motivational theory
Pets can have a therapeutic effect on people; they seem to have the power to calm the anxious and cheer the depressed. Give three reasons
Review Chapter 12 and consider how your culture has impacted your worldview and personality. Pay particular attention to the section on characteristics of Cult