A dinner plate falls vertically to the floor and breaks up into three pieces, which slide horizontally along the floor. Immediately after the impact,
a 200-g piece moves along the +x-axis with a speed of 2.00 m/s, a 235-g piece moves along the +y-axis with a speed of 1.50 m/s. The third piece has a mass of 100 g. What is the speed of the third piece?
A) 2.51 m/s
B) 2.57 m/s
C) 3.50 m/s
D) 5.33 m/s
E) 6.83 m/s
D
You might also like to view...
A juggler throws two balls up to the same height so that they pass each other halfway up when A is rising and B is descending. Ignore air resistance and buoyant forces. Which statement is true of the two balls at that point?
A. There is an residual upward force from the hand on each ball. B. There is a greater residual force from the hand on A than there is on B. C. Only gravity acts on B but there is an additional residual force from the hand on A. D. There is an additional downwards force besides gravity on each ball. E. The only force acting on each ball is the gravitational force.
An object that is positively charged will
a. attract a rubber rod stroked with fur. b. attract a glass rod stroked with silk. c. be polarized. d. none of these
What are interstellar grains?
A. the material out of which exoplanets are formed B. droplets of material that have condensed out of the Solar nebula C. tiny dust particles that are part of interstellar clouds D. leftover fragments of planetesimals that are blown out of the Solar System
In the process of breaking down the ozone layer, the chlorine from the CFCs acts as a ________
Fill in the blank(s) with correct word