Tuesday
May 21, 2013

# Posts by JEN

Total # Posts: 3154

physics
an object moving in the positive x direction went from a velocity of 2.5 km/s to a velocity of 8.0 km/s in 6.2seconds. what was the object's average acceleration?

Physics
a truck is traveling in a straight line goes 60km in 83minutes. what is its average speed in km per hour?

physics
A Block has a mass of 50.0 kilograms. the coefficient of static friction between the block and the level floor on which it rests is 0.428 A horizontal force of 618 newtons is applied to the block to the right, as shown. will the block move?

physics
The weight of the block is 84Newtons

physics
A block is pulled to the right across a alevel surface at a constant velocity of a horizontal force of 16 newtons. what is the coefficient of kinetic friction between the block and the surface?

Physics
An object moving in the positive x direction went from a velocity of 2.5 km/s to a velocity of 8.0 km/s in 6.2 seconds. What's the object's average acceleration?

SCIENCE (GENETICS)
if there are two forms of each of the seven traits, how many possible combinations are there?

physics
For long range communication an elephant uses a low frequency rumble that is undetectable to human ears. One elephant can pick up another elephant's call from a distance of 10 km. The frequency of this rumble is about 13 Hz. How fast does the rumble travel?

physics
after a golf ball is hit it takes off with an initial speed of 23.4 m/s and at an angle of 43.0 with respect to the horizontal the gold field is flat and horizontal. neglecting air resistence how far will the ball fly

chemistry
The rate constant, k, for each reaction order is equal to _____ from the linear plot. Reaction Order Answer zero:___ first: ___ second: ___ a. slope (m) b. y-intercept c. x-intercept d. negative of the slope (-m) e. 0

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