Other Physics Answers

A body with applied force of 5kiloNewton moves on

• A stoner ground
• On a tarred ground.

Fond which among the two floor could possess a higher coefficient of friction? And explain why?

A body of mass 10kg on a rough incline plane whose angle of ∅ is gradually increased until the body starts to slide down the plane at 30 degree the coefficient of limiting friction between the body and the plane is?

• When a box of mass 45kg is given as the initial speed pf 5m/s, it slides along a horizontal floor distance of 3m before coming to rest. What is the coefficient of dynamic friction between the box and the floor.

An empty aquarium has 5.00 kg of water added each second, and

2.50% of the total water removed each second.

17.

Determine by hand what the mass will be when the aquarium

reaches equilibrium.

Use the set of vectors provided to compute

for the resultant of the combined vectors

that follow.

A (short arrow above)= 28 units, 40° N of E

B (arrow above)= 11 units, 50° W of S

C (short arrow above)= 35 units, 40° S of W

D (arrow above)= 52 units, 50° E of N

You are driving at the speed of 27.7 m/s (61.9764 mph) when suddenly the car in front of you (previously traveling at the same speed) brakes and begins to slow down with the largest deceleration possible without skidding. Considering an average human reaction, you press your brakes 0.436 s later. You also brake and decelerate as rapidly as possible without skidding. Assume that the coefficient of static friction is 0.911 between both cars’ wheels and the road. The acceleration of gravity is 9.8 m/s 2 . Calculate the acceleration of the car in front of you when it brakes.

There are two cars.First one have V=7.8 m/s.Second one have V=5 m/s.They have same direction but slower one has starter point 38 meters ahead of faster one.Questions:when fast cars will overtake slower?What is the length of the journey they have individually traversed?

In sound wave, the number of oscillations in pressure each second is called

Which requires more work: lifting a 10 𝑘𝑔 sack of rice to a vertical distance of 2.0 𝑚 or lifting a 5 𝑘𝑔 sack of rice to a vertical distance of 4.0 m

1. When a cylindrical capacitor is given a charge of 0.500 nC, a potential difference of

20.0 V is measured between the cylinders.

a.

What is the capacitance of this system?