1. Andrea, a 63.0-kg sprinter, starts a race with an acceleration of 4.200 m/s. What is the net external force: on her? 2. If the sprinter from the previous problem accelerates at that rate for 20.00 m and then maintains that velocity for the remainder of a 100.00-m dashı, what will her time be for the race? CO O DI ulats

Q: A person drove 5 miles from home to the store. She took a different route back home that was only 4…

A: Motion of person (i) 5 miles from home to store  (ii) 4 miles from store to back home

Q: Only 6 I answer 7 already

A: We are allowed to answer only the first question [Q.6]. For solutions to other questions, please…

Q: A race car has a maximum speed of .104 km/s what is the speed and miles per hour

A: Given data:  The maximum speed (v) = 0.104 km/s Required: The maximum speed of car in miles per hour

Q: The speed of light is about 3.00 × 108 m/s. Convert this figure to miles per hour. (No Response)…

A: Given data:  Speed of light (c) = 3.00×108 m/s Required: Speed of light in miles per hour

Q: The takeoff speed of a jetliner is 113 m/s. If the jetliner is to take off from a runway of length…

A:

Q: A bus traveled 60 km north from its terminal. From this point, it traveled 80 km east. How far is…

A: Given: The bus initially travelled 60 km north. The bus travelled 80 km east.

Q: That's not the correct answer! The answer is 45 m

A: P = 1.3 MW v = 9.5 m/sCp = 0.36rho = 1.225 kg/m^3

Q: has a magnitude of 149. Which of the following could not

A:

Q: A 30.1 kg child on a sled slides down a hill, reaching a speed of 6.65 m/s. How high was the hill…

A: Given, Mass of child,m=30.1 kg Speed,v=6.65 m/s

Q: A race car has a maximum speed of .104 km/s what is the speed and miles per hour

A: We know that,The maximum speed , v=0.104 km/s1 km=1000 m1 mile=1609.34 m1 hour=3600 seconds

Q: A car drives for 0.750 hours at a speed of 85.0 km/h , then drives another 80.0 km in a time of 30.0…

A: A car drives for 0.750 hours at a speed of 85.0 km/h.

Q: A ship travels 7 miles in 89 nearest whole number) Your Answer: Answer units

A: Given, Distance travelled by ship = 7 miles Time taken = 89 minutes = 1.48 hr We know that speed =…

Q: Approximately how’s long would it take for a telephone signal to travel 2900 mi? (Telephone signals…

A: Solution: Given that distance to travel by telephone signal = 2900 mi

Q: If the diameter of an electron in the orbit around a proton is 1.0 x 10-10 m and the frequency of…

A: Here, Radius (r) =10-10 m Frequency )w) = 1014 Hz Now, Velocity, V = wr V =1014×10-10 V =104 m/s

Q: Says the answers are incorrect

A:

Q: The book says the answer is 24 miles

A:

Q: You start out by driving 55 miles north in 3 hours and 39 minutes, and then you stop and park for a…

A: Given: First displacement, = 55 miles in North time, t1 = 3 hour and 39 minutes Second displacement…

Q: A train is moving with 72km/hr constant speed from one station to the other. The train is  50,000kg.…

A: