A crate is dragged 4.0m along a rough floor with a constant velocity by a worker applying a force of 400N to a rope at an angle of 30∘ to the horizontal.

If state troopers were instructed to write a ticket for any motorist going 1 mph over the speed limit, one could argue that this department was operating under what style of policing?

009 Three liquids are at temperatures of 14 ◦C, 25◦C, and 33◦C, respectively. Equal masses of the first two liquids are mixed, and the equilibrium temperature is 16◦C.

Lines of a particular element appear at the same wavelength in both emission and absorption line spectraTrue or False

Suppose you bought a cup of coffee each morning on your way to school. You wish to drink the coffee when you reach your class and have time to settle down which is about 30 minutes from the time of purchase.

Sugar dissolving in hot tea is an example of which characteristic property?

An object with a mass of 10.9 kg experiences a force of 18.53 N. What is the acceleration of the object? A. 2.2 m/s2 B. 1.7 m/s2 C. 16.83 m/s2 D. 1.3 m/s2

A proton, starting from rest, accelerates through a potential difference of 1.0 kV and then moves into a magnetic field of 0.040 T at a right angle to the field. What is the radius of the proton's resulting orbit

Which of the following terms are needed to completely describe speed? Check all that apply. A. Units B. Direction C. Number D. Mass

Drivers are able to see objects ahead of them because light travels through windshields.

How are trade winds affected by the coriolis effect