Question

Cheetahs have a top speed of 120km/h and can accelerate at a constant rate at 9.5m/s2. How long would it take a cheetah, stalking it's prey at 4.2m/s, to reach it's top speed?

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Science
Physics

Related Physics Q&A

Find answers to questions asked by students like you.

Q: Whitworth Library Course HomeX Join conversation A-Z Databases Book a Flight: Best Pirate Port Publi...

A: Initially the system has only elastic potential energy and finally the system has only kinetic energ...

Q: why does nuclear fusion in the sun only occur near the center?

A: Nuclear fusion is a reaction in which two or more atomic nuclei are combined to form one or more dif...

Q: What is the magnitude of the magnetic force on a charged particle ( Q = 5.0 p C) moving with a speed...

A: Given:Charge on the particle, Q = 5 uCSpeed of the particle, v = 80 km/sMagnetic field, Bx = 5 TBy =...

Q: Four forces act on an object, given by A = 49.3 N east, B = 47.3 N north, C = 90.7 N west, and D = 9...

A: The net force on the object along the x-axis can be calculated as,

Q: An ant walks on a piece of graph paper straight along the x axis a distance of 10.0 cm in 2.20s. It ...

A: total horizontal distance travelled, 

Q: When some stars use up their fuel, they undergo a catastrophic explosion called a supernova. This ex...

A: Given:Radius of a star = RRadius of supernova shell = 3.9RNumber of revolutions of star per day = 1....

Q: Chapter 28, Problem 056 Your answer is partially correct. Try again. A circular wire loop of radius ...

A: Given values:Radius of the wire, R = 15.1 cm = 0.151 mCurrent in the wire, I = 3.07 AAngle made by t...

Q: What are the dimensions for the variable beta given the following?

A: Given:

Q: You pull downward with a force of 30 N on a rope that passes over a disk-shaped pulley of mass 1.5 k...

A: Tension due to Downward pull:

Q: B) 70 C) 140 160 tish smms bela the surtace at the nater at p Whane shald to catuh it a tishorman th...

A: For the refraction of fish,

Q: TOnsa What is the power output of the 20 0 resistor if the potential difference between points a and...

A: Let V be the potential difference across point a and b, Req be the equivalent resistance across it, ...

Q: A 863-kg car starts from rest on a horizontal roadway and accelerates eastward for 5.00 s when it re...

A: Given:Mass of the car, m= 863 kgInitial velocity, u = 0Final velocity, v = 30 m/sTime taken, t = 5 s

Q: uestion 10 A proton with a kinetic energgy of 0.20 keV follows a circular path in a region where the...

A: Click to see the answer

Q: 14 Two concurrent forces act at right angles to each other on an object. If the magnitude of one of ...

A: In this case, the two forces act at right angles to each other on an object,The magnitude of the res...

Q: magine you are on an amusement park and on a train ride. At some point the train ride follows a hori...

A: Consider the radius of the horizontal circle to be r and centripetal acceleration to be ac­.

Q: When some stars use up their fuel, they undergo a catastrophic explosion called a supernova. This ex...

A: The moment of inertia of a sphere having radius R.

Q: A rock is thrown at some angle above the horizontal with a certain velocity. It reaches its highest ...

A: During the projectile motion, at the highest point, vertical component of velocity equals zero. Hori...

Q: Two very long wires are parallel to each other separated by a distance d.  The same current flows th...

A: Given:Current in the wire, I = 1 ampLength of the wire, d = 0.1 m

Q: Newton’s 2nd Law stipulates that “the sum of all forces acting on an object are equal to the mass ti...

A: Given information:The mass of the smiley face (m) = 12.6 kg

Q: For three differenf materials at room temperature-one is a gas, one is a liquid and the other a soli...

A: Click to see the answer

Q: Three circuits are powered by identical batteries. Circuit A contains a 47 Ω resistor. Circuit B con...

A: Given information:The resistance in the circuit A (Ra) = 47 ΩThe resistance in the circuit B (Rb) = ...

Q: Part C

A: Given:

Q: The ruins of the Chernobyl reactor are enclosed in a huge concrete structure built around it after t...

A: The Chernobyl nuclear reactor is a closed reactor which is situated in Ukrain. The ruins of this rea...

Q: 53. Which terms represent a vector quantity and the scalar quantity of the vector's magnitude, respe...

A: Vectors quantities are those which requires both direction and magnitude to define it.Scalars quanti...

Q: The centers of gravity of the three trucks parked on a hill are shown by the star. Which truck will ...

A: The normal force and frictional force acting on all the three trucks will be the same.The position o...

Q: 1 A girl leaves a history classroom and walks 10. meters north to a drinking fountain. Then she turn...

A: Given information:Path walked by the girl:10-meter North; 30-meter south.Since north and south are o...

Q: Need help on a review question

A: the work done is equal to the change in kinetic energy,the work done is, 

Q: our forces act on an object, given by A = 48.3 N east,B = 42.3 N north,C = 64.7 N west, and D = 84.7...

A: Given,

Q: why do we launch at a higher altitude to reduce the kinetic energy required to reach orbit?

A: The kinetic energy required to launch an object into space is proportional to the resistance offered...

Q: For the following situations, determine whether the energy of the given system is the same at the in...

A: (a)System : Wall - conserved. By third Newton’s third law. Action and reaction are equal.System ; Gi...

Q: I have written down a y(x,t) for the given values, but I think that I am not supposed to solve for t...

A: dfsgdfgdfg

Q: a) Outline the 2 ideas Planck put forward to explain the black body radiation.b) Explain the concept...

A: (a) the wave theory of light explains the interference and diffraction relating to the propagation o...

Q: A train locomotive pulls a train with a mass of 1.00 ✕ 107 kg on level rails. The locomotive exerts ...

A: From Newton’s second law of motion.

Q: ST.8 Imagine that an external force of 100 N must be applied to keep a bicycle and rider moving at a...

A: Given,

Q: A 0.25-kg stone is held 1.4 m above the top edge of a water well and then dropped into it. The well ...

A: Consider mass(m) is dropped from height(h1) into the well of depth(h2).

Q: 28.66     The wire semicircles shown in Fig. P28.66 have radii a and b.  Calculate the net magnetic ...

A: The required magnitude of magnetic field is,

Q: 6 What velocity is needed for your car to negotiate a 100-meter radius curve banked at a 20.0° angle...

A: Velocity is given by,

Q: Problem 1 The velocity of a particle moving along the x axis varies in time according to the expres...

A:  1)Instantaneous velocity in km/hr at t =0 s denoted by v1 is,

Q: Below are shown a series of graphs associated with the motion of the mass and a series of physical q...

A: (a)Velocity of mass=B

Q: A 22.4 kg ice skater is moving at 5.35 m/swhen she grabs the loose end of a rope, the opposite end o...

A: The expression for the force is,

Q: In the figure provided, a crate of mass m sits at rest on a 20° ramp and is connected to another cra...

A: When the mass is slightly nudged, acceleration is zero.The value of the attached mass is,

Q: A mass hanging from a vertical spring is somewhat more complicated than a mass attached to a horizon...

A: The free body diagram is,Direction of force = downward

Q: i need help with these two questions!

A: Problem 1: Altitude is given by,

Q: Could you kindly solve and explain this to me?  Thank you, Faizan Alam

A: Click to see the answer

Q: At t = 0, a particle leaves the origin with a velocity of 9.0 m/s in the positive ydirection and mov...

A: The equation of motion is given by,

Q: A commuter airplane takes the route shown in figure. First, it flies from origin of the coordinate s...

A: The vector diagram of routes of the airplane is given below

Q: A circuit in a TV has an overall resistance of 28 Ω. The current in the circuit is 0.1 A. Find the v...

A: Voltage is,

Q: Question in image. Disregard the pen markings plz.

A: Write the expression for stopping potential

Q: The moment of inertia of a 0.912-kg bicycle wheel rotating about its center is 0.165 kg m2. What is ...

A: Moment of inertia of ring is,

Q: 5. Find the Kinetic energy when it hits the Earth's surface. (assume no air resistance) Saturn is or...

A: Since we only answer one question, we’ll answer the first one. Please resubmit the question and spec...