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A parachutist with a mass of 80 kg is falling at 55km/h when her parachute opens. She then falls 24 m in the next 2 s. What is the force of air resistance acting on the parachute during those 2 s?

How do you use the discriminant to determine the numbers of solutions of the quadratic equation #4x^220x + 25 = 0# and whether the solutions are real or complex?

Whats the absolute value of #abs(sqrt2)#?

How do you completely factor #x^3+2x4x8#?

How do you solve #2b = 3+ \sqrt { 2b + 3}#?

Ben bought 4 pairs of jeans and a Tshirt that cost $8. He had a coupon for $3 off the price of each pair of jeans and spent a total of $92 before tax. What was the price of each pair of jeans?

What is the equation of the parabola that has a vertex at # (21, 11) # and passes through point # (23,4) #?

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A box with an initial speed of #7 m/s# is moving up a ramp. The ramp has a kinetic friction coefficient of #3/2 # and an incline of #pi /4 #. How far along the ramp will the box go?

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A car drives one fourth of a road with u_1 the next fourth with u_2 the next with u_3 and the final with u_4.
what is the average speed?

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If a train travels 1,600 km in 16 hours, how fast is it moving?

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A projectile is shot at a velocity of # 1 m/s# and an angle of #pi/6 #. What is the projectile's peak height?

How to find the height of this? Thank you!

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An object with a mass of #2 kg# is revolving around a point at a distance of #5 m#. If the object is making revolutions at a frequency of #1 Hz#, what is the centripetal force acting on the object?

Calculate the acceleration of a 2000kg, singleengine airplane as it begins its takeoff with an engine thrust of 500 N ?

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What is the hang time of a person who can jump a vertical distance of 0.6 m?

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What two things affect the resistance of a wire?

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A baseball goes from zero to 41 m/s in 0.238 s. What is its average acceleration?

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A stone is thrown vertically upwards and it reaches a maximum height of 30m. What was its initial velocity?

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What is the second most common element in the universe?

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How do I find the amount of atoms in 1 Liter H20?

What is the difference between push and pull?

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A car traveling 70 miles per hour is 20 miles behind a truck traveling 50 miles per hour. How long will it take the car to overtake the truck?

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