Which of the following quantities are vectors? O temperature age O acceleration O velocity O force O speed pressure O pH

Q: True or False? As mass of a substance increases, the density increases? Explain.

A: True Reason According to the statement if mass of the object increases then its density increases.…

Q: Which of the following equations must be used to compute for the temperature at point A? * P, atm В…

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Q: What is the velocity of a penguin that swims 90 meters through the water in 12 minutes?

A: Solution:  Use the formula for velocity:  V = distance/time  Now,

Q: A cube of material has sides 1 unit, and variable density which is given by p(х, у, 2) — 3+ 4xy – z,…

A: Solution-

Q: 5. If the weight of the block in Fig. 4.19a is 80 N, what are the tensions in ropes A and B?

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Q: 4-65 For what value of P in the cash flow diagram does the present value equal 0? 3000 P = ? 1250…

A: A cash flow diagram is shown.We find out the value of P for which the present value equal zero (0).

Q: A cubic meter (m) of air weighs about 1.25 kg. A decent size classroom has a volume of roughly 800…

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Q: Determine the travel time in hours for a vehicle that was displaced 350 km [N] with an average…

A: Given data:  Displacement (d) = 350 km, towards North Average velocity (v) = 75.0 km/h, towards…

Q: A bar of gold measures 0.160 mx 0.0782 m x 0.0414 m. How many gallons of water have the same mass as…

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Q: Car A is traveling at the constant speed of 67 km/h as it rounds the circular curve of 320-m radius…

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Q: A car on a roller coaster starts at rest at an elevation of 26 m above the ground. It coasts down a…

A: Given Data: The elevation from which the car of the roller coaster starts: h1=26m. The initial speed…

Q: Your friend says that one way to improve air quality in a city is to have traffic lights…

A: Yes,  by synchronizing the traffic lights will improve the air quality in a city.

Q: Densities of some common substances g/cm3 Aluminum 2.70 Сopper 8.96 Iron 7.87 Lead 11.4 Water 1.00…

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Q: Why was m converted to cm?

A: Given that- The mass of the cart is= 0.92 kg The spring constant of the spring is= 130 N/m The…

Q: 7. Review. Three forces acting on an object are given by F, V (-2.00î + 2.00j) N, and F, =(5.00î –…

A: Part-a Given: The force F1 = (-2i+2j) N. The force F2 = (5i-3j) N. The force F3 = (-45i) N. The…

Q: Jamal went on a diving trip he jumped off the deck of a boat into the water every second after he…

A: Given that:- Time after which, we have to find the location of Jamal=10sec

Q: A cylinder made of either alumnium or brass has a mass of 250 g and a diameter of 10 cm. What is its…

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Q: Suppose a lime with mass 90 grams is in the shape of a sphere with radius 2.5 centimeters. Will the…

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Q: Can someone please explain the answers again. And have them answered in kg m/s ??

A: Mass of the squash ball, M = 25 g = 0.025 kg Initial velocity up toward the wall at a 40° angle is u…

Q: Calculate the mass (in SI units) of a 140 lblb human being. Express your answer with the appropriate…

A: Given A 144 lb  human being , F = 144 lb  We know that force applied on object is given by F = W =…