What is the net force required for a 1.5 X 105 kg train car to move from 20 km/h to 60 km/h over 100 meters?
a. 9.3 X 104 N
b. 1.8 X 105 N
c. 4.4 X 105 N
d. 9.3 X 105 N
e. 4.5 X 106 N-We will n
Two points are given in polar coordinates by (r,θ) = (2.0 m , 35.0°) and (r,θ) =(2.0 m, -30.0°), respectively.
what is the distance between them?
I found the y competent values through trig, and got
As in if the smallest thing we know of was somehow cut in half, and then those two havles were cut in half, etc...-I have often wondered this as well :) Scientificly speaking, the atom is the smallest
as well as electric lines of force
please how me the image or video by providing a link!-Endless magnetic lines are simply closed loops.See 1st link.
Electric lines of force always start on a posit
A golf ball is hit at ground level. The ball is observed to reach maximum height above ground level 2s after being hit. 0.88s after reaching this maximum height, the ball is observed to barely clear a
a) If m1 = 2.3 kg and m2 = 5.6 kg, what are the accelerations of each block?
b) What is the tension in the cord?-a)a = g[1 - 2/(1+M/m)] = 4.09 m/s²
b)T = 2g/(1/M + 1/m) = 31.96 N
A team of international researchers said Thursday that they have discovered particles that appear to move faster than the speed of light.
A team of researchers shot neutrinos over a period of three y
What is the force exerted by his hand on the stone?-the phrase constant velocity means the net force on the stone is zero; this means that the force applied equals the weight of the stone
the force a
If you place a 37.8g ice cube (0 degrees C) into a 200gram container of water at 21.0 degrees C, what is the coolest temperature the water will reach? Please show your work. Thanks! :)-Latent heat of
A hot-air balloon has a volume of 2400m^3. The balloon fabric (the envelope) weighs 850N. The basket with gear and full propane tanks weighs 1800N.If the balloon can barely lift an additional 3100N of
A block with a mass of 5.2kg is held in equilibrium on a frictionless incline of 33.0 degrees by the horizontal force F. The acceleration of gravity is 9.81m/s^2
What is the magnitude of F?
Answer in
A 2-kg block is projected at 3 m/s up a 15º incline which µk=0.2.
*No need to fully work out the problem, I am able to. Would just like help setting up formulas including those variables of m=2 kg,
A barge is in a rectangular lock on a freshwater river. The lock has length 64.0m and width 23.5m, and the steel doors on each end are closed. With the barge floating in the lock, a load of scrap meta
A car is parked on a cliff overlooking the ocean on an incline that makes an angle of 24 degrees below the horizontal. The negligent driver leaves the car in neutral and the emergency brakes are defec
