Problem 3. A car accelerates from rest travels a distance of 440 ft in 10seconds. Compute for he final velocity and its acceleration. Find: Vo 5. a = ? 6. Vf = ? · 440 ft
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- Help making sure I did #27 correctly.Here v1 = 40mph. v2 = 297 mph. m1 = 15 oz. Then m2 is ____ oz. !!Solution is not M1V1 = M2V2!!So this is the problem I am trying to figure out: A boy tosses a coin straight up to 2.2 m. Suppose the height when the coin leaves his hand is 1.3 m. What was the initial speed of the coin when it left his hand?
- A. using your measured distance (35 inches) your average time of motion (drop times 2.04s,1.78,2.26,1.59,1.87 and 1.91)and the constant acceleration equation (x=1/2 at^2)calculate the acceration of the atwood machine. B. using m2-m2/m1+m2(9.8)=20/40=0.5x9.8=4.9 and the masses (60,70g) calculate the expected acceleration. C. what quanatiative compariosn is most appropriate between your results (percent difference or error)?A car can accelerate from 0 to 60 miles per hour in 3.2 s. What is its average acceleration, in ms−2, during this time?Please only answer NUMBER 2. Thank you!
- 5. A small rock is thrown vertically upward with a speed of 12.0 from the edge of the roof of a 25.0 m tall building. The rock doesn't hit the building on its way back down and lands on the street below. Ignore air resistance. a. What is the speed of the rock just before it hits the street? b. How much time elapses from when the rock is thrown until it hits the street? c. Find the maximum height above the ground that the rock reaches. d. At what time after being released has the rock fallen 8.0 m below the roof edge? e. What is the ball's acceleration when it is 8.0 m below the roof edge? vy=25.18 m/s a. b. t = 3.79 s c. y 32.35 m d. t = 2.99 s e. ay = -9.8 m/s²imageA paperclip falls to the ground for 8.36 seconds. What is the speed of the paperclip just before it hits the ground? You can assume no air resistance. Round to 1 decimal. Imagine a ball that is pushed off a desk completely horizontal and falls 9.74 m down to the floor. If it landed 8.56 m away from the edge of the desk, how fast was it moving in the horizontal direction just before it hit the ground? Round to 1 decimal.
- A nerve impulse travels along a myelinated neuron at 66.5 m/s. a. What is this speed in mi/h? b. What is this speed in cm/ms?1. Jack drives a distance of 160 miles at an average speed of 35 miles/hr, followed by a distance of 190 miles at 75 miles/hr. What is his average speed over the 350-mile trip? Hint: Draw a labeled sketch of the trip. V avg miles per hourOn a fishing trip on Lesser Slave Lake you drive your motorboat north at 20.0 km/h for 30.0 minutes. After realizing that you passed your fishing spot, you turn south and travel at 35 hm/h for 10.0 minutes. Determine your average. a) speed for this trip. [24km/h] b) velocity for this trip. [ 6.3 hm/h, North]