Physics
Kinematics Equations: Vx1 = Vx0 + axΔt (Vx1)^2 = (Vx0)^2 + 2axΔx Δx = Vx0Δt + ½ ax(Δt^2) Had the distance from the intersection when braking begins not been given: Remaining distance = 140.0 m Current Velocity = 14.8 m/s Reaction time = 0.440 s ...
science
what is the defination of a compound machine?
physics
A 55 kg student traveling in a car with a constant velocity has a kinetic energy of 1.6 104 J. What is the speedometer reading of the car in km/h?
Math
distance problem suzi drove home at 60mph,but her brother jim,who left at the same time, could drive at only 48mph. When suzie arrived, jim still had 60 miles to go. How far did suzi drive?
chemistry
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chemistry
Why is the energy for high 2/5 of the energy for the low.
Math
a walk up a hill starts at a car park on the 100m contour and climbs steadily to a summet at 240m. on a map with scale 1:25000 the distance along the path from the car park to the summet is 9.6cm. how long it will to reach su,,it and back according to Naismith's rule.
statistics
A canidatate for governor of a certain state claims to be favored by at least half of the voters. If a hypothesis test is performed, how should you interpret a decision that rejects the null hypothesis? A. There is not sufficient evidence to reject the claim > or = 0.5 B. T...
ALGEBRA
auren and Andrew left Austin at the same time. Lauren traveled east at an average speed of 50 miles per hour. Andrew traveled west at an average speed of 65 miles per hour. How many hours of driving does it take for the two to be at least 500 miles apart? Write an inequality ...
Algebra
An elevator went to the do of a 180m building, stayed for 1 minute, then came down. The total time was 3.5 minutes. If the speed of the elevator when it went up was 1 m/sec less than when it came down, find both speeds (up and down).
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