Question

A ball is thrown horizontally from the roof of a building 7.9 mm tall and lands 9.9 mm from the base.

What was the ball's initial 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

Other

Related Physics Q&A

Find answers to questions asked by students like you.

Q: What is entropy of a system?

A: Entropy is a measure of the randomness or molecular disorder of the system. It is a measure of therm...

Q: Choose the BEST answer to the following: The team that wins in a tug-of-war is the team that (a) pro...

A: Answer: bi.e  pushes hardest on the ground

Q: Please do parts all the parts and help me please by providing the work, I attached the 2 parts in se...

A: Given that a vector in xy plane has magnitude of 91.0 units , and has a magnitude of y component as ...

Q: Show that 1 cubic meter contains 1,000 L.

A: Click to see the answer

Q: Choose the best answer to the following: A rock suspended by a weighing scale weighs 5 N out of wate...

A: Answew: 2N

Q: A 250 g mass on a vertical spring oscillates at a frequency of 1.0 Hz. If a 500 g mass were instead ...

A: Click to see the answer

Q: Suppose velocity of an object is 5.7 miles per hour.  When asking this as a question, say, what is v...

A: Given information:Velocity of the object (v) = 5.7 miles/hour.Velocity of the object in meters/sec =...

Q: What is the temperature when all molecular motion ceases?

A: Kelvin scale is defined as a temperature scale whose zero point is absolute zero where the entropy b...

Q: In the figure below, particle 1 of charge +4e is above a floor by distance d1 = 2.60 mm and particle...

A: The expression for the x-component of the force is,

Q: What is the capacitance of a pair of circular plates with a radius of 8.0 cm separated by 3.0 mm of ...

A: Consider the distance between the plates be d, the permittivity of free space be Ɛ0, the dielectric ...

Q: 47 °C = _______ °F

A: Celsius- Fahrenheit conversion formula is,

Q: This is for a physics course. I have tried the anwers t=a/289 and t=(a/17)^2; both of these answers ...

A: The symbol for time is,

Q: 2. Force acting on thigh bone is 1800 N at compression causes longitudinal strain 3-103. Find effect...

A: Click to see the answer

Q: If an inflated tyre bursts , the air issuing out is cold, why?

A: Click to see the answer

Q: As an architect, you are designing a new house. A window has a height between 130 cm and 140 cm and ...

A: Given:Maximum height = 140 cmMinimum height = 130 cm                                        Maximum ...

Q: Why do clouds seem floating in the sky?

A: Click to see the answer

Q: 8. Shaming of flying: is it fair? We are seeing in recent years the shaming of flying. The reasoning...

A: Now a days flight shaming is popular to curb the global climate change . this initiation is accepete...

Q: What is the ratio of specific heat of sand to the specific heat of water?

A: The specific heat of water is very high, and the specific heat of sand is low.

Q: The Earth constantly receives radiant energy from the sun and gets warmed up. Why does the Earth not...

A: As we know Earth is far from the Sun.

Q: What does Motion, Newton's laws and forces, energy, and momentum all have in common or relate?

A: Step 1Motion is the movement of a body that is caused due to change in position of a body with time....

Q: What do you mean by degrees of freedom?

A: Click to see the answer

Q: 1. How far from the object should the lens be held?

A: Given :Focal length of convex lens (f)= 11.1cmNearest point (N)= 25cm 

Q: Can Bernoulli's equation be used to describe the flow of water through a rapid in a river? Explain.

A: Turbulent flow: it occurs when the Reynold number is greater than certain threshold value. It is ver...

Q: A system of 1435 particles, each of which is either an electron or a proton, has a net charge of −7....

A: A.Let p be the number of protons and e be the number of electrons. Then

Q: Explain this statement clearly : “To call a dimensional quantity ‘large’ or ‘small’ is meaningless w...

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you. ...

Q: Choose the BEST answer to the following: When water changes to steam, energy is (a) absorbed by the ...

A: The phase change of water to steam is called evaporation. During any phase change energy is either r...

Q: 2. Draw a free-body diagram of a baseball catcher at the instance the ball strikes his glove.

A: The baseball catcher generally pull their hands back while catching the baseball, to reduce the impa...

Q: A charge of +3*10^-6 c is located 21cm from a charge of -7*10^6  C.   what is the magnitude of the f...

A: Charge 1 (Q1) = 3×10-6 CCharge 2 (Q2) = -7×10-6 CDistance between both charge (d) = 21 cm = 0.21 m

Q: Calculate the force required to take away a flat plate of radius 5cm from the surface of water. Give...

A: Given:Radius of plate = 5 cmSurface tension of water = 72 dyne/cm

Q: Determine the percentage. A dad holds five coins in his hand. He tells his son that if he can guess ...

A: Given:The son would get the money if he guesses the money with 5% error.

Q: Does it matter if one uses gauge instead of absolute pressures in applying Bernoulli's equation? Exp...

A: No ,it does not matter if one uses gauge instead of absolute pressure in applying Bernoulli's equati...

Q: Describe one difference between a rubber band and a spring as a mechanism for storing elastic potent...

A: Step 1The rubber band is deformed much more than the spring. The spring is present as a helical stru...

Q: A long distance runner has an average speed of 3.0 m/s. How far (in m) does the runner travel in 20 ...

A: The expression for the travelled distance is,

Q: Choose the best answer to the following: The flight of a blimp best illustrates (a) Archimedes’ prin...

A: Answer: ai,e The principle of Archimedies

Q: Choose the BEST answer to the following: Heat comes from the Sun to Earth by the process of (a) cond...

A: Step 1Conduction is the flow of heat from a body at higher temperature to a body at lower temperatur...

Q: What is mean free path? Derive an expression for it.

A: Click to see the answer

Q: The average density of the planet Uranus is 1.27 103 kg/m3. The ratio of the mass of Neptune to that...

A: The density of the Uranus is

Q: Consider the following 3 pieces of the motion for a block that is initially at rest on a floor. (1) ...

A: Acceleration is the rate of change of velocity. Since, the block slows down and comes to rest, the c...

Q: What is a heat engine?

A: In order to convert heat into work , heat engine is the device used for this conversion. The working...

Q: The period of oscillation of a simple pendulum is T L/g. = 2π Measured value of L is 20.0 cm known t...

A: Given:

Q: Outdoors in winter, Why does a piece of metal feel colder than piece of wood?

A: Due to the thermal conductivity of the metal, the metal feels colder than the wood.

Q: Why do Eskimos build double walled houses of blocks of ice?

A: The Eskimos build double walled houses in order to keep the interior of their houses warm.

Q: Sally, who has a mass of 55 kg, is sledding at the park. She places her 9-kg sled at the top of a hi...

A: The momentum of the Sally and sled before collision is;

Q: The figure shows an electron passing between two charged metal plates that create a 106 N/C vertical...

A: 1)the time taken by the electron for the journey is, 

Q: Choose the BEST answer to the following: Newton’s law of cooling applies to objects that (a) cool. (...

A: Step 1Newton’s law of cooling states that the rate of heat lost by body is directly proportional to ...

Q: Define erroe, accuracy and precision of instruments.

A: Click to see the answer

Q: Why air pressure in car increases during driving.

A: According to the Charles law, at constant volume the pressure inside the gas is directly proportiona...

Q: The "Giant Swing" at a county fair consists of a vertical central shaft with a number of horizontal ...

A: Consider the angular speed of the swing be ω, the length of the arm be R, the length of the cable be...

Q: Via rubbing, a glass rod is brought to a charge of +8.50 nC. Which of the following is true? - 5.31 ...

A: Click to see the answer

Q: Choose the BEST answer to the following: The time it rakes for a pendulum swinging to and ho refers ...

A: amplitude of a penudulam is defined as the displacement from its mean position. the frequency is not...