4. If a car is driving at dd mph (from Q#3) what are the fastest and slowest speeds the car could be moving in m/s?? Show your work and briefly explain how you did this in several bullets (sentence fragments).
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dd =25
please answer Q4
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- Answer the following questions: 1. While on vacation, Lisa Carr traveled a total distance of 440 miles. Her trip took 8 hours. What was her average speed?2. What is the distance and the displacement of the race car drivers in the Indy 500?3. What is the displacement of the cross-country team if they begin at the school, run 10 miles and finish back at the school?4. A car accelerates from rest to a speed of 36 km/h in 20 seconds. What is the acceleration of the car in m/s2?5. A car slows down from a speed of 72 km/h to rest in 25 seconds. What is the acceleration of the car?What is meant by instantaneous velocity, average velocity and final velocity?Define acceleration, force, energy, potential energy and kinetic energy and write the formula for each.A force is a vector quantity capable of producing motion or a change in motion, that is, a change invelocity or an accelerationWhat are the units of force and energy in CHS, MKS, and FPS units?What is static friction and what is kinetic friction?Explain the law of conservation of energy.Hi! Please indicate the given, diagram, FBD, and the solution with no shortcuts, Thanks! 6) Four men are competing in an air-racing event using their brand-new aerobatic planes. They took off a thousandfeet above the sea level. Five minutes after the race started, man A is located at (−3î− ĵ− 2k̂) ft, man B at (8î− 5ĵ−4k̂) ft, man C at (−6î− 4ĵ+ 7k̂) ft, and finally man D at (4î− 2ĵ+ 7k̂) ft.a) Express the axes components of A⃗ − B⃗ + C⃗ − D⃗ in terms of unit vectors.b) Calculate letter a’s magnitude.
- You start your bicycle ride at the top of a hill. You coast down the hill at a constant of 4.0 m/s2. When you get at the bottom of the hill, you are moving at 25m/s, and you pedal to maintain that speed. If you continue at this speed for 1 minute, how far will you have gone from the time you left the hilltop?Imagine that you took a road trip. Based on the information in the table, what was the average speed of your car? Time Mile marker 3:00 pm 32 8:00 pm 166 Express your answer to three significant figures and include the appropriate units. Use mimi as an abbreviation for miles, and hh for hours, or mphmph can be used to indicate miles per hour.No need for explanation, just the answer ASAP i’ll rate. Part A and B please.
- Sarah traveled 90 km at a certain speed. In going back, she increased her speed by 10 km/hr. If it took her a total of 10/3 hours, what was her original speed? Explain also. Create an expression to: Sarah traveled 90 km at a certain speed. Create another expression to: In going back, she increased her speed by 10 km/hr. Formula: v = d/tHow would you expect a velocity vs. time graph to look for a cart moving with a constant velocity? Make a rough sketch of the graph and explain your reasoning. Write down an equation for the graph. Explain what the symbols in each of the equations mean. What quantities in these equations can you determine from your graph? Write down the relationship between the position and the velocity of the cart. Use that relationship to construct an position versus time graph just below each of your velocity versus time graphs from question 1, with the same scale for each time axis. Write down an equation for the new graph. Explain what the symbols in each of the equations mean. What quantities in these equations can you determine from your graph?Directions: Solve for the following problems. One (1) point for illustration or simple sketch, two (2) points for determining the known values, two (2) points for identifying the unknown values, another two (2) points for the equation to be used and three (3) points for showing your solution with boxing your final answer. 1. Juan is standing outside the laboratory, 7 meters from the wall. Pedro, by a window 5 meters above the ground, tosses a ball horizontally. Find the speed that Pedro should give the ball for it to reach Juan. What will be the time of flight of the ball? 2. Alice throws the ball to the horizontal direction with an initial velocity of 10m/s, time elapsed during the motion is 5s. Calculate the heights that object are thrown and the final velocity (Vy) component of the velocity after it hits the ground. 3. John kicks the ball and ball does projectile motion with an angle of 53º to horizontal. Its initial velocity is 10 m/s, find the maximum height it can reach,…
- Identify the given quantities, unknown quantities, and equations to solve the given problem. Show your encoded solution and answer. 1. Wela, a long jumper leaves the ground at angle of 300 to the horizontal and at a speed of 6 m/s. How far does she jump? 2. John is standing outside the Physics laboratory 7 m from the wall. Peter, by a window 5 m above the ground, tosses a ball horizontally. Find the speed that Peter should give the ball for it to reach Paul. 3.A long jumper leaves the ground with an initial velocity of 12 m/s at an angle of 28-degrees above the horizontal. Determine the time of flight, the the horizontal distance, and the peak height of the long-jumper.Identify which of the cyclists ended their trip closest to home. Which cyclists did not end their trip closest to home? Be sure to use evidence from the images to support your claim and explain your reasoning. Answer in complete sentences, about 5.Complete any four from below. Must show all steps used to get your final answer. 3. Given a speed of 90 kilometers/hour, convert the speed to miles per hour