subject

Physics, 18.07.2019 04:40 Lena904

How does a sprinter sprint? how does a sprinter sprint? the sprinter pushes forward on the ground, which pushes her in the same direction (forward) on her. this is the only horizontal force on the sprinter, so she accelerates forward. the sprinter pushes backward on the ground, which pushes her in the same direction (backward) on her. this is the only horizontal force on the sprinter, so she accelerates forward. the sprinter pushes forward on the ground, which pushes back (backward) on her. this is the only horizontal force on the sprinter, so she accelerates forward. the sprinter pushes backward on the ground, which pushes back (forward) on her. this is the only horizontal force on the sprinter, so she accelerates forward.

ansver

Answers: 3

Show answers

Another question on Physics

question

Physics, 22.06.2019 05:30

The volume of a gas is halved during an adiabatic compression that increases the pressure by a factor of 2.5. what is the specific heat ratio? show the math steps .

Answers: 3

question

Physics, 22.06.2019 14:00

Acar travels in reverse. it covers 150 meters in 12 seconds what is the velocity of the car what is the speed of the car

Answers: 1

question

Physics, 22.06.2019 19:30

The nuclear potential that binds protons and neutrons in the nucleus of an atom is often approximated by a square well. imagine a proton conned in an innite square well of length 105 nm, a typical nuclear diameter. calculate the wavelength and energy associated with the photon that is emitted when the proton undergoes a transition from the rst excited state (n 2) to the ground state (n 1). in what region of the electromagnetic spectrum does this wavelength belong?

Answers: 1

question

Physics, 22.06.2019 23:00

Determine the force the sun exerts on an object with a mass of 80.0 kg if that object is on the earth. what is the force exerted by the moon on the same object? what is the force the earth exerts on it?

Answers: 1

You know the right answer?

How does a sprinter sprint? how does a sprinter sprint? the sprinter pushes forward on the ground,...

Questions

question

Physics, 25.12.2019 03:31

Find the tension t in each cable and the magnitude and direction of the force exerted on the strut by the pivot in each of the arrangements in fig. 11...

question

Biology, 25.12.2019 03:31

Suppose a scientist identified two yeast mutants, called huh1 and huh2. the mutants have constitutive expression of the nop operon, which includes the...

question

Business, 25.12.2019 03:31

Suppose a perfectly competitive firm's total cost of production (tc) is tc(q)equals=q cubedq3minus−66q squaredq2plus+4040qplus+1010, and the firm's ma...

question

Business, 25.12.2019 03:31

Suppose a production function is given by f(k, l) = kl2 ; the price of capital is $10 and the price of labor is $15. what combination of labor and ca...

question

Computers and Technology, 25.12.2019 03:31

Suppose a tcp connection, with window size 1, loses every other packet. those that do arrive have rtt = 1 second. what happens? what happens to timeo...

question

Business, 25.12.2019 03:31

Suppose a stock had an initial price of $65 per share, paid a dividend of $1.45 per share during the year, and had an ending share price of $58.

question

Mathematics, 25.12.2019 03:31

Suppose a sequence of the form 1, t, t2, t3, , tn where t ≠ 0, satisfies the given recurrence relation (but not necessarily the initial conditions), a...

question

Business, 25.12.2019 03:31

Suppose hornsby ltd. just issued a dividend of $2.54 per share on its common stock. the company paid dividends of $2.04, $2.11, $2.28, and $2.38 per s...

question

Business, 25.12.2019 03:31

Suppose economists observe that an increase in government spending of $13 billion raises the total demand for goods and services by $65 billion. 1. if...

question

Mathematics, 25.12.2019 03:31

Suppose that 500 parts are tested in manufacturing and 10 are rejected. a. test the hypothesis h0: p=0.03 against...

question

Mathematics, 25.12.2019 03:31

Suppose that n1(h) is an approximation to m for every h > 0 and that: m = n1(h) + k1h + k2h 2 + k3h 3 + . . for constants k1, k2, k3 . .. use t...

question

Mathematics, 25.12.2019 03:31

Suppose that 40% of all u. s. employees contribute to a retirement plan (p = 0.40). (a) in a random sample of 100 employees, what is the approximate p...

question

Business, 25.12.2019 03:31

Suppose in the beginning of 2013, a country has a national debt of $8,000 billion. its gdp in 2013 is $32,000 billion and its budget deficit of $1,600...

question

Business, 25.12.2019 03:31

Suppose taxpayers are given a one-time only rebate on previous taxes paid. if consumers spend all of their tax rebate checks, what takes place in the...

question

Business, 25.12.2019 03:31

Suppose that a monopoly firm finds that its mr is $60 for the first unit sold each day, $59 for the second unit sold each day, $58 for the third unit...

question

Business, 25.12.2019 03:31

Suppose that a firm's production function is given by q = kl(mpk = l and mpl = k), where q is the quantity of output, k is units of capital, and l is...

question

Business, 25.12.2019 03:31

Suppose that a stock gave a realized return of 20% over a two-year time period and a 10% return over the third year. the geometric averag...

question

Mathematics, 25.12.2019 03:31

The local animal shelter uses one and 3/5 bags of dog food each day to feed all of its dogs. for how many days will a donation of 12 bags of dog food...

question

Mathematics, 25.12.2019 03:31

Find the length of ab given that db is the median of the triangle and ac equals 26...

question

English, 25.12.2019 03:31

Anyone here can give me a simple analysis of a small excerpt from daisy miller by henry james?...

More questions: Physics Another questions