A bicycle wheel rotates uniformly through 2.0 revolutions in 4.0 s. What is the frequency of the wheel's rotation?单项选择题

题目图片
A

0.50 Hz

B

1.0 Hz

C

2.0 Hz

D

4.0 Hz

登录即可查看完整答案

我们收录了全球超50000道真实原题与详细解析,现在登录,立即获得答案。

类似问题

A motor has a speed of 1200 RPM and a torque of 2 N.T  The power output will be:

The formula to determine the power output of a motor is:  

Question texta) Which proposition correctly states Euler’s fixed point theorem? The most general displacement of a Answer 1 Question 6[select: , rigid body, fluid] over the surface of Answer 2 Question 6[select: , a sphere, an ellipsoid] can be regarded as a rotation about Answer 3 Question 6[select: , 1 axis which passes, 2 axes which pass, 3 axes which pass] through the center of that Answer 4 Question 6[select: , ellipsoid, sphere]b) Which of the following surface features can be used as a reference frame for determining the absolute plate motion? Answer 5 Question 6[select: , Oceanic Trenches, Magnetic North Pole, Geographical North, Hawaiian Archipelago]c) U Chicago lies at a latitude of 41.79oN. Calculate the linear velocity of the U Chicago due to the rotation of the Earth around the North Pole axis. Radius of the Earth is 6371 km and a day has a period of exactly 24 hours. Give your answer to 3 significant figures in m/s. Speed = Answer 6 Question 6[input] m/sd) What is the maximum speed of a point at a depth of 11 km inside the Earth about the North-South pole axis of the Earth? Give your answer to three significant figures in m/s. Maximum speed = Answer 7 Question 6[input] m/s

What is Static RPM of an Aircraft Engine?

更多留学生实用工具

加入我们，立即解锁 海量真题 与 独家解析，让复习快人一步！