• Keine Ergebnisse gefunden

Work and Power

N/A
N/A
Protected

Academic year: 2021

Aktie "Work and Power"

Copied!
2
0
0

Wird geladen.... (Jetzt Volltext ansehen)

Volltext

(1)

Work and Power

1) Calvin drags his sled 50 m applying a force of 70 N. How much work is done on the sled?

2) Calvin goes down the hill on his sled. In a short time, he goes from 0 m/s to 5 m/s. Calvin and his sled have a total mass of 40 kg.

a) What is his kinetic energy, when he has reached 5 m/s?

b) How much work has been done on the sled, accelerating him to 5 m/s?

(2)

3) You bought a 60 W light bulb.

a) How much energy does this light bulb use per second?

b) How much energy does this light bulb use per minute?

4) Paul has a mass of 50 kg and climbs a rope of 5 m in 10 s.

a) What is his in potential energy?

b) What power did it take to climb the rope?

Referenzen

ÄHNLICHE DOKUMENTE

If your Epson product is not operating properly and you cannot solve the problem using the troubleshooting information in your product documentation, contact customer support

DESIGNER Program Diskette from the drive, insert the work diskette or the DESIGNER Data Diskette containing the file you want to load, and press RETURN. Now DESIGNER lists all

The calling program must establish the track and transport selection word (SETUP) using the same bit configuration as previously used in the WRITE and READ

In this mode the tape moves, the terminals of the selected track wi II be connected to the read amplifier, and data from the tape reach the read electronics..

For instance, Babcock (2012) uses a stochastic partial equilibrium model to analyse the price volatility in US soybean, corn, and wheat markets in order to assess the impact

To assess the possible long-term pathways for the buildings sector, we developed the Energy Demand GEnerator (EDGE) model; an energy demand model covering five end-uses —

The energy need to provide basic health, hygiene and education is relatively small, implying energy shortages doesn’t constrain basic human

Figure 1: The two problem classes General Application Ar- eas of IT (white) and Analytical Problems (light gray) can be solved using Automatic Analysis (black), Visualization