By how much does a 65.0 kg mountain climber stretch her 0.800 rope when she hangs 35.0 m below a rock outcropping? (For nylon, Y = 1.35 × 10⁹ Pa.) - cm diameter nylon
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Q: Describe about fundamental forces of nature.
A: There are four fundamental interactions in nature, Which are Gravitational force, Strong force, Weak…
Q: see a bolt of lightening and 4 seconds later we hear the thunderclap. if the speed in the air is…
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Q: How much force is needed to accelerate a 50 kg skier at 3 m/sec?
A: Write the given values with suitable variables. m=50 kga=3 m/s2 Here, m denotes the mass and a…
Q: 10. A cyclist travels at a speed of 20 km/hour. How far will he travels in 5 hours?
A: Given data: Speed of cyclist (v) = 20 km/hour Time (t) = 5 hours
Q: If a rock of mass 6kg is dropped from a height, and has a velocity of 5 m/swhen it hits the ground,…
A: Given: mass m = 6kg final velocity v = 5 m/s To find: height, s=??
Q: A microwave oven has a power requirement of 1,251 W. A frozen dinner requires 6.8 min to heat on…
A: (a) Energy used in kWh
Q: At an average speed of 11 m/s, how many kilometers can a cyclist travel in a 7 hour day?
A: Given data: Average speed (Vavg) = 11 m/s Time (t) = 7 hour Required: Distance traveled in…
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Q: A car is traveling at a speed of 41 m/s. a) what is its speed in kilometers per hour ? b) is it…
A: Given data: Speed (v) = 41 m/s Required: Speed in km/h
Q: The takeoff speed of a jetliner is 113 m/s. If the jetliner is to take off from a runway of length…
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Q: How long shall a force of 4, 500 N shall be applied on the brakes of a 1200-kg truck moving at a…
A: Given The force applied on brake is F=4500 N. The mass of the truck is m=1200 kg. The initial…
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Q: A 30.1 kg child on a sled slides down a hill, reaching a speed of 6.65 m/s. How high was the hill…
A: Given, Mass of child,m=30.1 kg Speed,v=6.65 m/s
Q: Suppose you drive from Here to There at a speed of 30 miles/hour and then drive back from There to…
A: By definition, average speed = total distance traveledtotal time taken. So, if the body moves a…
Q: Women are 25 percent better off financially than men. They have a combined monthly income of $1800.…
A: Let, monthly income of men = x monthly income of women = x + 25 They have a combined monthly…
Q: A car has an average speed of 89.0 km/h for one hour, then an average speed of 96.8 km/h for two…
A: Average speed = distance / time We need to find average speed for 3 hour then we must use the time…
Q: what was the average speed in km/h of a car that travels 772km in 5.8h?
A: Given:Total displacement = 772kmtotal Time=5.8hr…
Q: The speed of light is about 3.00 ✕ 108 m/s. Convert this figure to miles per hour.
A: The given data is: Speed of light is: 3×108m/s The objective is to convert this to miles per hour.
Q: what speed covers 20 miles in 2.5 hours
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Q: A tortoise is walking in the desert. It walks at a speed of 3 meters per minute for 93.75 meters.…
A: Given Speed of the tortoise is v=3 m/min Distance covered by the tortoise is d=93.75 m We have to…
Q: A car that travels at 9.1 km/hr for 2.0 hrs, at 7 for 1.0 hr and at 9 for half an hour. What is its…
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Q: A 36.5 kg child on a sled slides down a hill, reaching a speed of 9.8 m/s. How high was the hill (in…
A: The speed at the bottom of the hill,
Q: A ship travels 7 miles in 89 nearest whole number) Your Answer: Answer units
A: Given, Distance travelled by ship = 7 miles Time taken = 89 minutes = 1.48 hr We know that speed =…
Q: Johnny walks 70 km in 2.3 hours. Calculate Johnny's speed in km/h.
A: Given data: Distance (d) = 70 km Time (t) = 2.3 hours Required: Speed in km/h
Q: A woman makes 25% more than her husband.Together they make $1800 each month.How much does the woman…
A: Write the expression relating the woman’s earning and her husband’s earning
Q: The top speed of the Blackbird is 2193 mph. Given that 1 mile 1.61 km, what is this speed in km/h?
A: Top speed of blackbird =2193mph 1mile =1.61km
Q: If a rock of mass 6kg is dropped from a height, and has a velocity of 5 m/s when it hits the ground,…
A: The kinetic energy of the rock just before it hits the ground will be KE=12mv2=126kg5m/s2=75J
Q: Is the average swimmer taller than the average volleyball player?
A: Average tallest players are basketball players and then comes volleyball players .
Q: a paratrooper jumped from a combat ship at a height of 1,324 meters, if he was falling at a speed of…
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Q: A study finds that the metabolic rate of mammals is proportional to m14, where m is the total body…
A: Given: The mass of human is mh=70 kg. The mass of cat is mc=6.11 kg. The ratio of metabolic rate of…
Q: A woman's salary is 25% more than that of her male partner. They individually make $1800 a month as…
A: Let, male partner salary = $x women salary = $(x + 25) (25% more) As a team, the total…
Q: A warning sign inside an elevator of mass 317 kg indicates that the maximum load that it can carry…
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Q: How much force does it take to bring a 1,325 N car from rest to a velocity of 33 m/s in 11 seconds?
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Q: How much work must be put into a machine that is 70.0% efficient in order to lift a mass of 400.0 kg…
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Q: The speed of sound is measured to be 340 m/s on a certain day. What is this in km/h? Hint The speed…
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