A 2 kg car moving towards the right at 4 m/s collides head on with an 8 kg car moving towards the left at 2 m/s, and they stick together. After the collision, the velocity of the combined bodies is __________ m/s pointing __________
Fill in the blank(s) with correct word
0.8, towards the left
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Two blocks in contact with each other are pushed to the right across a rough horizontal surface by the two forces shown. If the coefficient of kinetic friction between each of the blocks and the surface is 0.30, determine the magnitude of the force exerted on the 2.0-kg block by the 3.0-kg block
a.
15 N
b.
25 N
c.
11 N
d.
22 N
e.
33 N
the event in the life of a star that begins its expansion into a giant is?
What will be an ideal response?
What is the shortest wavelength of the Lyman series?
A) 91.16 nm B) 45.60 nm C) 121.5 nm D) 204.1 nm E) 365 nm
Two different materials are in contact as shown in the figure. Determine the temperature distribution through the two materials after 10 minutes using a 1 inch grid as shown.
