A tennis ball is projected toward a smooth surface with speed v as shown. Determine the rebound angle e' and final speed v' if the coefficient of restitution is e. Hint: The coefficient of restitution only acts in either the x- or y- direction. Choose the correct direction when developing your equations. 45°

Q: What is the weight of and wokat skould be size of a Aluminum cube with the same mass? Densitg of,…

A: The dimension of the gold bar is 10cm×20cm×5cm So the volume of the bar is V= 10×20×5×10^-6 m^3  V=…

Q: Need converted to meters sqaured

A: The given values are,

Q: When calculating percent error are you supposed to round the true value to match your estimated…

A:

Q: Convert 175 cm to feet

A: We have 1 cm = 0.0328084 ft

Q: Calculate percent amount to three-figure accuracy. (Use one decimal place for the percent value.)…

A:

Q: AMoving to another question will save this response. uestion 3 Observe the vessels A, B, C and D…

A: Volume of liquid is measured in ml for small quantity and in litre for large quantities.

Q: Given data : Mass%3D30 kg Density=1200 kg/m3 Find volume

A: Given data : Density=ρ Mass=m   To find : Volume

Q: How high can water rise in the pipes of a building if Hhe gauge pressure at the ground Hoer is 2x…

A:

Q: Given data : Mass = 40 kg Density = 1440 kg/m3 Find volume

A: density = mass/volume

Q: blving for a variable in terms of other var Solve for g. f = = = (@g+h-k) 9 00 00 X

A:

Q: A cylindrical object of density de as shown in following fig Determine the differential of…

A: The force diagram for the given situation can be drawn as below,

Q: Volume = 35cm²³ dersity = 0.30g cm³ find mass = 3

A:

Q: Max and min that would round to 8.6 oz? What is the uncertainty in the measurement?

A: Given :- weight = 8.6 oz

Q: can measurement be both precise and accurate?

A: Precision and accuracy are two distinct concepts in measurement.

Q: Convert 948 mm into feet and inches, accurate to the nearest quarter of an inch

A: To convert 948 mm into feet and inches  1 mm =0.0393701 inch hence 948 mm=948×0.0393701 inches…

Q: Explain why you think a sign on a copy machine reading ”.05¢a copy” is put up by mistake.

A: We know that 1 dollar comprises of 100 cents. This is written as 1$=100 cents. Thus 1 cent =0.01$.

Q: complete the table by filling out the last two columns and what do the results in the last two…

A:

Q: I need avg speed

A:

Q: How may deciliters are there in 2.3 gallons?

A: Given: Volume V = 2.3 gallons Asked: Volume in deciliters

Q: The left ventricle stroke rate is 93 mL and the heart rate is 113 BPM, calculate the blood flow in L…

A: Given , stroke rate = 93 mL. i e. 93 mL/beat  Or, 0.093 L/beat Heart rate = 113 BPM

Q: ouse for sale has an area if 2,230 sq ft.    What is the area of the house in square meters, m?…

A: Given:- A house for sale has an area if  2,230 sq ft.  Find:- What is the area of the house in…

Q: Write the difference between base and derived quantities

A: Base quantities In any system of units, the units for some physical quantities must be defined…

Q: What is difference between dimensional formula and dimensional equation.

A:

Q: The height and radius of a cyclinder is measured by a measuring instrument. If the volume was…

A: solution:let height of cylinder=HRadius of cylinder =Rnow volume of cylinder=πR2HV=πR2HTake normal…

Q: A cubic boxing stains 268 G of water what is the length of one side of the box and meters

A: given quantity of water in cubic box =268 g=0.268 kg Required Length of box

Q: A certain spring is used as a scale to find the weight of groceries. When you place exactly 1.0-kg…

A: Solution: (A) Draw the free body diagrams for both the cases as shown below.  (B) Consider the case…

Q: not sure how you got 30m/sec please help

A:

Q: what are the two significant figures of 240.084?

A: The significant figures are the digits that carry meaningful contributions to the measurement.

Q: What is the formula for calculating density?

A:

Q: Grive n date: Drnsity = 15 00kg /m Mass 50 Find volume o

A: mass = 50 kg density = 1500 kgm3To find : Volume

Q: The meter on the discharge side of the pump reads in hundreds of gallons. What is the pumping rate…

A:

Q: A lead cube has a total mass of 50 kg. What is the length of the side? Show the Figure/FBD, Given…

A: Given that, The total mass of a lead cube, m = 50 kg We need to find the length of the side of the…