A 6.7 kg ball has zero kinetic and potential energy. Ernie drops the ball into a 1.7-m-deep well. Just before the ball hits the bottom, the sum of its kinetic and potential energy is: (Express your answer in Joules)

Q: A student with an estimated VO2max of 51 ml/kg/min wants to run 3 miles at 75% of VO2max. How long…

A:

Q: A standard elevator in a midrise building can hold a maximum weight of about 3 2/3 tons. Assuming an…

A: We first convert tons into pounds

Q: A furnace is designed to heat 15,000 cubic feet. Will this furnace be adequate for a…

A: To determine the solution to the given problem, first we have to determine the volume of the house…

Q: For a moving object, the force acting on the object varies directly with the object's acceleration.…

A: Force and acceleration relation

Q: A cylindrical jar 6 inches in diameter and 8 inches high, contains 50 spherical balls of 1 inch…

A:

Q: A ball is thrown straight down from the top of a 220-footbuildingwith an initial velocity of −22…

A: Use the position function, s(t)=-16t2+v0t+s0 and substitute v0 and s0 with -22 and 220,…

Q: A bar with a length of 7 inches is stretched to 7.1 inches. What is the strain in the bar?

A:

Q: A force of 10 Ib is required to hold a spring stretched 4 feet beyond its natural length. How much…

A:

Q: Gina stores 160 cubic inches of blocks in a container shaped like a right rectangular prism that has…

A: Given that, the base area of the rectangular prism is 36 square inches and a height is 5 inches.…

Q: An automobile weighing 4500 lb is driven down a 5° incline at a speed of 60 mi/h when the brakes are…

A: Thanks for the question :)And your upvote will be really appreciable ;)

Q: The masses of two similar round mooncakes are 250 g and 54 g respectively.   If the mass of the…

A:

Q: Calculate the (a) BMI, (b) IBW and (c) estimated energy needs for a 48 year old male who weighs 78…

A: Given that the male is of 48 years old and weights 78 kg is 185 cm tall The objective is to find the…

Q: An automobile weighing 5500 lb is driven down a 5° incline at a speed 60 mi/h when the brakes are…

A: Weight of the automobile = 5500 lb (pound-mass) = 2494.758 kg Velocity of the automobile = 60 mi/h =…

Q: 1000 liters of water per second is filled into the square prism-shaped tank with a base edge of 10…

A: We have to find the relating equation of volume with height and then differentiate it with respect…

Q: A clinical laboratory technician determines that a minimum of 75 mL of working reagent is needed for…

A: Given, reagent =75mL Mixture = 4x75 =300mL

Q: A force of 6 pounds compresses a 4-inch spring 14 inches. How much work is done in compressing the…

A:

Q: A 4-pound weight stretches a spring 2 feet. The

A: Given, a 4-pound weight stretches a spring 2 feet. The weight is released from the rest 15 inches…

Q: 2. A airplane, flying with the wind, took 2 hours to travel 1000 km and 2.5 hrs in flying back. What…

A:

Q: How much work (in J) is required to move a box that weighs 12 kg upward by 55 cm? Use the fact that…

A:

Q: A force of 200 N will stretch a garage door spring 0.8 m beyond its unstressed length. How far will…

A: Given information:

Q: with 2.60 moles of oxygen at 39.3 degrees Celcius?

A:

Q: A diver who is 10.0 m underwater experiences a pressure of 202kPa. If the diver’s surface area is…

A: Pressure P = 202 kPa Surface area A = 1.50 m2

Q: Each of the Space Shuttle's solid rocket motors burns 680,400 kilograms of propellant in 2.5…

A:

Q: Water is flowinf 38 inches per second and at a rate of 1.125 cubic feet per second. What is the pipe…

A:

Q: A 450 gal tank initially contains 110 gal of brine containing 52 Ib of salt. Brine containing 1lb of…

A:

Q: A block of wood is 2.5 feet long, 0.5 feet wide, and 0.25 feet tall. It weighs 16.5 pounds. To the…

A:

Q: A 400-lb cable is 250 feet long and hangs vertically from the top of a building. How much work is…

A: Data given

Q: If 90 J of work are needed to stretch a spring from 8 cm to 13 cm and another 294 J are needed to…

A: Solution

Q: An empty Boeing 747 weighs about 175 tons. How much does it weigh in ounces? If this same Boeing 747…

A: Part (a) - Weight of Boeing 747 = 175 tonsWe know that,1 ton = 32000 ouncesThen,175 ton = 175×32000…

Q: How much force in N is required to lift a box that weighs 8 kg? Use the fact that acceleration due…

A:

Q: A ballon has 4 moles of gas and occupies 50 L. What is the new volume if 2 moles of gas are added to…

A: Given data, Number of moles of gas, N = 4 The volume occupies by the Gas, V = 50 L.

Q: A sign in an elevator in France indicates that it's maximum weight capacity is 300 kilograms. What…

A: The maximum weight capacity of the elevator is 300 kilograms.

Q: A 500 mL IV starts at 9pm and runs at 33gtt/min with a drop factor of 10gtt/mL.  At what time will…

A: Algebra Question

Q: A country with one of the highest population densities is San Wan​, where approximately 34,000…

A: Population density is the number of people divided by the size of the area. Here, number of…

Q: A 5-kg bucket is lifted from the ground into the air by pulling in 20 m of rope at a constant speed…

A:

Q: A civil engineer relates the thickness T, in inches, and height H, in feet, of a square wooden…

A: Given that, T=LH2254 ------(1) T=4 inches H=10 feet To find Crushing Load L:

Q: A force of 5lb is required to compress a spring 2 inches. How much more is done in compressing the…

A:

Q: About 27% of the body of a person floating in the Dead Sea will be above the water line. Assuming…

A: Mass= density× volume

Q: A steel ball of mass 4 kg is dropped from a building. If the air resistance is equal to 0.371v, what…

A: Mass of ball m=4 kg Air Resistance =0.371v Now, the formula to find  velocity of ball at time t is:…

Q: The side of a cube is increasing at a rate 7m/8, then the rate at which the m³/s. volume of the cube…

A:

Q: 4.5 cm 6 cm 7.5 cm . - --

A: radius is 4.5 cm, height is 6 cm and slant height is 7.5 cm. The formula of volume of cone is,…

Q: A hospital worker combined 2 fluidounces of a povidone-iodine cleaner, 7.5% w/v, with 4 fluidounces…

A: A hospital worker combined 2 fluidounces (7.5% w/v) of  a povidone-iodine cleaner with 4…

Q: was an earthquake in South America with magnitude 4.3 that caused only minor damage. How many times…

A:

Q: Sue believes that the two cylinders shown in the diagram below Sue corect? Explain why.

A: It is indeed correct since thee oblique cylinders is just the tilted version of the same cylinder.…

Q: What is m∠MNT?

A:

Q: ng the shore and 60 meters from the sh mps into the water and swims from the second and swim at a…

A:

Q: A truck with a mass of 1500 kg is decelerated at a rate of 5m/s2 . How much force did this require?

A:

Q: The diameter of a steel ball is measured to be 16 cm, with a maximum error of 0.3 cm. Estimate the…

A: The relation between the radius, r, and the diameter, l, can be defined by the equation: r=l2. It is…