Calculate the magnitude of the resultant of all forces acting on the object
Calculate the magnitude of the resultant of all forces acting on the object
Calculate the magnitude of the resultant of all forces acting on the object
Calculate the magnitude of the resultant of all forces acting on the object
A skateboarder is attempting to make a circular arc of radius r =…
A skateboarder is attempting to make a circular arc of radius r = 19m in a parking lot. The total mass of the skateboard and skateboarder is m = 81kg. The coefficient of static friction between the surface of the parking lot and the wheels of the skateboard is μ_s = 0.51. Questions: […]
A skateboarder is attempting to make a circular arc of radius r =…
A skateboarder is attempting to make a circular arc of radius r = 11 m in a parking lot. The total mass of the skateboard and skateboarder is m =78 kg. The coefficient of static friction between the surface of the parking lot and the wheels of the skateboard is μs=0.65. what is the maximum […]
Following questions with the picture of the four different pulley…
Following questions with the picture of the four different pulley systems. 1) What are the forces required to lift the weight up in each of the four pulley systems depicted in the picture? Please fill in the blanks with the corresponding forces.F1 – ( #1 ) N, F2 – ( #2 ) N, F3 […]
Two tugboats pull a disabled supertanker. Each tug exerts a…
Two tugboats pull a disabled supertanker. Each tug exerts a constant force of 1.2×106 N , one an angle 13 ∘ west of north and the other an angle 13 ∘ east of north, as they pull the tanker a distance 0.65 km toward the north. What is the total work they do on the […]
Question: Newton’s 3rd law is often misquoted as “for every action…
Question: Newton’s 3rd law is often misquoted as “for every action there is an equal and opposite reaction”. What physics does Newton’s 3rd law describe and give an example that illustrates its meaning.
The sound level measured in a room by a person watching a movie on…
The sound level measured in a room by a person watching a movie on a home theater system varies from 55 dB during a quiet part to 75 dB during a loud part. Approximately how many times louder is the latter sound? I thought it was 100, but I was wrong.
A sandwich board advertising sign is constructed as shown in the…
A sandwich board advertising sign is constructed as shown in the figure below. The sign’s mass is 5.10 kg. (a)Calculate the tension in newtons in the chain assuming no friction between the legs and the sidewalk. N (b)What force is exerted in newtons by each side on the hinge? N […]
(part 1 of 2) A cheetah can run at a maximum speed 92.8 km/h and…
(part 1 of 2) A cheetah can run at a maximum speed 92.8 km/h and a gazelle can run at a maximum speed of 76.2 km/h. If both animals are running at full speed, with the gazelle 65.8 m ahead, how long before the cheetah catches its prey? Answer in units of s. (part […]
