A ball is thrown from the top of a tower 30 m above the ground with velocity of 30 m/s directed at 20° above the horizontal. How long will it take the ball to hit the level ground below? A) 2.12 s B) 2.84 s C) 3.73 s D) 4.13 s

A ball is thrown from the top of a tower 30 m above the ground with velocity of 30 m/s directed at 20° above the horizontal. How long will it take the ball to hit the level ground below? A) 2.12 s B) 2.84 s C) 3.73 s D) 4.13 s

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter2: Matter And Energy

Section: Chapter Questions

Problem 21RQ

See similar textbooks

Related questions

Q: One mole of an ideal gas is kept in a container at an initial pressure of 2 kPa and temperature…

A: find the ratio of heat and work .

Q: 8. The wall of a cold storage room is composed of brick, concrete and cork insulation with thickness…

Q: A compound bar consisting of bronze, aluminum, and steel segments is loaded axially as shown in the…

Q: + REMEDIAL ACTIVITY FOR MODULE 2_MEC30-2_3Q_2122 Question 17 of 27 -/ 20 E : View Policies Current…

A: find the value P.

Q: Friction in pipe cause O 1. reduction in potential energy 2. Reduction in velocity 3. Reduction in…

A: Friction loss in pipe is the Major loss.

Q: The 609-N force is applied to the 112-kg block, which is stationary before the force is applied.…

Q: Compare the thermal efficiency and turbine-exit quality (temperature if superheated) at the…

Q: Q# 2:1 Chapter 14: Gas vapor mixtures and air-Conditioning (Psychrometric chiart) CLO 4 dbity to…

Q: Poor vehicle handling and maximum tire wear rate are caused by misaligned steering system. Define…

A: Given question: Define wheel alignment and briefly explain what kind of misalignment will cause a…

Q: A flanged bolt coupling consists of eight d-mm diameter steel bolts on a bolt circle 286 mm in…

Q: ermine the magnitudes of all pin reactions for the frame loaded as sh ume F-860 N, a - 695 mm, b -…

Q: Determine the forces in members CG and GH of the symmetrically loaded truss. The forces are positive…

Q: & Determine the maximum live load that the beam can carry safely using ASD and LRFD. Compare results…

Q: For the circular thin plate with a square hole as shown in the image below, its radius R = 0.42 m…

Q: Question The steel shaft with two different diameters rotates at 4.5 Hz. The power supplied to gear…

A: Answer: The angle of rotation of gear A relative to gear C is 4.42°.

Q: Q1/ In the equilibrium position shown in figure below, the uniform bar (AB) has a mass of (50 kg)…

A: find the tension in cable and reaction force at B.

Q: Determine the magnitudes of the pin reactions at A, B. and C caused by the weight of the uniform…

Q: Explain the refrigeration cycle and its processes.

Q: Steam enters the first turbine stage of a vapor power cycle with reheat and regeneration at 32 MPa,…

A: Answer: consider the enthalpies of each stage in the cycle as follows: h1 = h@ 32MPa,600°C = 3423.8…

Q: In a simple closed circuit gas turbine engine the compressor temperature is 288 K and the turbine…

Q: Q1/ In the equilibrium position shown in figure below, the uniform bar (AB) has a mass of (50 kg)…

Q: Steam enters a nozzle operating at steady state at 30 bar, 330.6 °C, with a velocity of 103 m/s. The…

Q: The 499-N force is applied to the 102-kg block, which is stationary before the force is applied.…

A: Given data: P=499 Nm=102 kgθ=36°μs=0.65μk=0.43 Need to determine the magnitude and direction of…

Q: y 165 mm 165 mm 135 mm: 130 mm 75 mm 130 mm Answers: (X, Y) = (i ) mm

Q: Consider an airflow over the surface of a flat plate with a temperature Ts = 250 °C. At some…

Q: Under the man's pushing force P = 37.3 lb, the uniform cabinet is sliding on the ground with a…

Q: 14. A 3-ft-diameter log (s.g. = 0.82) divides two shallow ponds as shown in figure below. Compute…

A: Answer: ◆ Horizontal reaction: 2527.200 lb (left). ◆ Vertical reaction: 370.507 lb (upward).

Q: 3) A single-pass tubular type heat exchanger heats air from 35 C to 80 C. Exhaust gas from DIESEL…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Calculate the polar moment of inertia of the shaded area about point O. y 33 mm 19 mm | Answer:I, =…

Q: A diesel engine works on the dual combustion cycle and has a compression ratio of 18. At the start…

Q: A lift pump was used to collect water at 60 strokes per minute and 50 liters was collected. The lift…

A: The volumetric efficiency of the lift pump: 70.7355 %

Q: Consider a water-ammonia binary vapor cycle consisting. In the steam cycle, superheated vapor enters…

Q: 7. Oxygen at 300 kPa, 100°C is in a piston-cylinder arrangement with a volume of 0.1 m?. It is now…

Q: Determine the y-coordinate of the centroid of the shaded area 80 mm 39 39 105 mm 95 mni 70 mm 70 mm

Q: Determine the moment of inertia of the shaded area about the x-axis in two different ways. 3.0a a a…

Q: Determine the force in member BE of the loaded truss. The force is positive if in tension, negative…

Q: Determine the magnitudes of all pin reactions for the frame loaded as shown. Assume F = 770 N, a =…

A: F= 770 Na= 635 mmb= 290 mmθ= 26∘ϕ= 65∘

Q: A nylon thread is subjected to a 9.29-N tension force. Knowing that E = 3.22 GPa and that the length…

A: From the stess-strain relationship, within elastic limit. Stress=E*strain Stress=P/A=9.29/A…

Q: Air is expanded from 400 kPa, 600 K in a polytropic process to 150 kPa, 400 K in a piston cylinder…

A: Given Point 1 Pressure = 400 kPa Temperature = 600 K Point 2 Pressure = 150 kPa Temperature = 400 K…

Q: A gas is cooled by circulating it in a turbulent regime through the interior of a circular duct with…

A: Given: The diameter of duct, Di = 0.025 m The internal wall temperature, Ti = 310 K The average…

Q: degree of reaction of a reaction turbine

Q: If the beam in Problem 1 is made of W18 X 65, A992 structural steel, Illustrate the state of stress…

A: Given that, Given data, W 18×65θ=30° from horizontal axis, Calculate the reaction at the…

Q: The system is made up of the 1-m, 8.0-kg uniform rod AB and the two uniform disks (each of 0.17 m…

Q: Would the volumetric flow rate in a pipe, assuming laminar flow, be more or less if the fluid were…

Q: SUPPLEMENTARY PROBLEMS 9. Determine the torque that may be resisted by the single block brake shown…

Q: By the method of this article, determine the moments of inertia about the x and y-axes of the…

A: The given cross-section is as follows: We have to find the value of…

Q: e following initial conditions x(0) = 0.5 m, *(0) = 0. Data: m= 10kg.

Q: A glass in a form of a right circular cylinder is filled with water to the brim. It has a base…

A: Given: rA = 10 cm hA = 25 cm rB = 15 cm

Q: Wet steam at 200°C and 20% moisture is compressed in an irreversible adiabatic process to a process…

Q: The figure below is the basic plot of pressure vs. volume for the Dual Standard Cycle. Constant…

Question

7. A ball is thrown from the top of a tower 30 m above the ground with velocity of 30 m/s directed at 20°
above the horizontal. How long will it take the ball to hit the level ground below?
A) 2.12 s
B) 2.84 s
C) 3.73 s
D) 4.13 s

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.

Similar questions

A retail flower shop in Metro Manila, called Floreau, sel ls arranged flowers. The shop can make beautiful arrangem ents that consists of 12 flowers for a cost of P1,800. Thi e cost of materials of each bouquet is P2,500. and other cost is P650. The shop has a fixed cost of P6900 includin g the rents and miscellaneous. If a bouquet costs P69,00 0, how many pieces of flowers must be sold to break even?
engineering economy 2.) What is the accumulated value of a payment of P12,500.00 at the end of each year for 9 years with interest at 5% compounded annually?
7 g = 10 m/s^2
Q4. An investor purchased a one-acre lot on the outskirts of a city for $8000 cash. Each year he paid $80 of property taxes. At the end of 4 years, he sold the lot. After deducting his selling expenses, the investor received $14,000. What rate of return did he receive on his investment?
A certain machinery costs P40,000.00 will last 12 years with a salvage value of P5,000.00. Money is worth 4%. If the owner decides to sell it after using it for 5 years, what should his price be so that he will not lose or gain financially in the transaction? Use the sinking fund method.
Mona Persian is considering a new investment fund with a semiannual interest rate of 2.5%. Any money she invests would have to be left in it for at least five years if she wanted to withdraw it without a penalty. (a) What is the nominal interest rate? (b) What is the annual effective interest rate? (c) If Mona deposits $10,000 in the fund now, how much should it be worth in five years?
A man has deposited ₱50 000 in a retirement income plan with a local bank. This bank pays 8.75 % per year, compounded annually, on such deposits. What is the maximum amount the man can withdraw at the end of each year and still have the funds last for 12 years?
CHOICES: a. 2.81 m/s^2 b. 0 c. 1.25 m/s^2 d. 1.95 m/s^2
A cyclist rides at an average speed of 18 miles per hour. If she wants bike 212 km, how long (in hours) must she ride?
The will of a wealthy family philantrophist left P5,000,000 to establish a perpetual charitable foundation.The foundation trustees decided to spend P1,200,000 to provide facilities immediately and to provide P100,000 of capital replacement at the end of each 5 year period.If the invested funds earned 12% per annum what would be the year end amount available in perpetuity from the endowment for charitable purposes ?
A four-year lease agreement requires payment of $20,000 at the beginning of every year. If the interest is 7% compounded monthly, what is the cash value of the lease
With simple interest, a deposit in a bank will triple in 7 ½ years. Using the same value of interest but compounded monthly, determine how long it will take a deposit to double.