Angle of inclination Definition and 28 Threads

Attempt : Let me copy and paste the question from the text alongside. Method 1 : I draw an image of the problem situation to the right. Boat B moves to the right pulled by a rope from the point O where the man is located. The angle the boat makes with the horizontal ##\alpha## changes with...

Hi! A ridged rod is submerged in water at a 45 degree angle toward the bottom of a tank of water. The upper end of the rod is fixed to a pivot point and so, the lower end of the rod is able to move around that pivot point. The lower end of the rod has a float attached to that displaces 50lb...

Homework Statement A ladder of length 5 m is resting against a SMOOTH wall, its point of contact being just below a first floor window. The bottom of the ladder rests on the ground and the coefficient of friction between the ladder and the ground is 0.28 A person of mass 78 kg climbs the...

Homework Statement Homework Equations Equation given in question. The Attempt at a Solution The only thing I could think of was to try changing the y=3x^3 into polar coordinates but I didn't know where to go from there... Could I get some direction to how I should go about this, I'm sort of...

Homework Statement To measure the combined force of friction (rolling friction plus air drag) on a moving car, an automotive engineering team you are on turns off the engine and allows the car to coast down hills of known steepness. The team collects the following data: (1) On a 2.70° hill, the...

Consider the problem of projectile motion where the angle to hit a target ##(x,y)## is asked, once given the initial velocity magnitude ##v_0##. The projectile is fired from the point ##(0,0)##. Here is the final formula for theta, solving the equations of motion...

Homework Statement Find the angle of inclination of a line when the slope, m, is equal to -1/2 Homework Equations m = rise/run = tan(φ) φ=angle of inclination The Attempt at a Solution I thought the answer would simply be using arctan on the slope, but my answer gives me -26.565051 degrees...

Homework Statement So the full problem is the following: "On the top of a truck, there is a cubic container with a side-lenght of 1,00 m and it's filled with 500 liters of water. The truck accelerates with 2.0 m/s2 in the x-direction during the whole experiment. When the watersurface has...

Homework Statement Assume two stars are in circular orbit around a mutual center of mass and are separated by d = a. Assume angle of inclination is i and stellar radii are r1 and r2. Find an expression for the smallest angle of inclination that will just barely produce an eclipse. Homework...

Homework Statement Use Netwon's laws to find an expression for the angle of incilination theta at which the refrigerator starts to slide. Express your answer in terms of possible g, Us, Uk and m. Homework Equations Fnet=ma Ff=UFn The Attempt at a Solution I attached my attempt...

Homework Statement On how steep an incline(in degrees) can a car be parked without sliding down if the coefficient of static friction between the tires and the road is 0.8? Homework Equations F=ma The Attempt at a Solution My physics teacher showed how to find the acceleration...

What is the relationship between a ball rolling down a slope (ramp) and its average velocity. I know we are supposed to use: v^2 = ut + at/2 and F = mgsin(degree). But assume initial velocity is zero. Also if I do an experiment and I get results (make a graph between average velocity and...

Homework Statement A mine shaft is 320 m in length and descends 74 meters. Find the angle of inclination. Homework Equations sin=opp/adj The Attempt at a Solution inverse sine=42/320 inverse sine*.231=13.37 degrees. The answer seems conceivable.

Homework Statement A bar of soap of mass m is at rest on a frictionless square plate of side-length D rests on a horizontal table. At t=0 I start to raise one edge of the plate the plate pivots about the opposite edge. The angular velocity about the pivot is a constant ω Show that the...

Homework Statement How do i find the angle of the incline of an equilateral ramp with equal sides of 50m and with a horizontal component force of 50 N on a mass of 1kg. Homework Equations The Attempt at a Solution Even though i think of 'equal lateral triangle. wouldn't it be...

In the experimental setup similar to the one shown during the class demonstration, the small ball is launched from the corner of inclined plane. When the inclination of the plane is 70deg the maximum range of the projectile is 50cm. Later the inclination of the plane changes to new unknown...

Homework Statement A physics student playing with an air hockey table (a frictionless surface) finds that if she gives the puck a velocity of 3.44 m/s along the length (2.73 m) of the table at one end, by the time it has reached the other end the puck has drifted 2.08 cm to the right but...

Homework Statement I have to find the angles from horizontal of AB=30cm and BC=40cm. http://peecee.dk/upload/view/356001 I don't know how to tackle this one. I was told that i could see them as lever arms, and find out at which angle they cancel each other out. I'm not sure how to do...

Hey Guys, I was doing physics questions. It was written that in the absence of friction, the acceleration of any object sliding down an inclined plane is given by:a=gsinθ. As the skier skis down the curved hill, the angle of inclination is increasing, so the acceleration of the skier is...

Our teacher had asked us to plot graph of frictional force acting on a given mass kept on an incline vs its angle of inclination .i made a graph where the max frictional force was at angle arctan u(coefficient of friction ) . The graph of friction at angle less than arctan u was proportional to...

Angle of Inclination: ? Homework Statement An underwater scuba diver sees the Sun at an apparent angle of 23 degrees from the vertical. The refraction index for water is 1.32. what is the Sun's angle of inclination? Homework Equations n1sin(degree)= n2sin(degree) The Attempt at...

"Angle Of Inclination" problem Homework Statement A small ball is launched from the corner of an inclined plane. When the inclination of the plane α is 70deg the maximum range of the projectile is 50cm. Later, the inclination of the plane changes to new unknown angle, and the same projectile...

Homework Statement Find the angle of inclination of each of the following lines. i) r = (2,-6) + t(3,-4) ii) r = (6,1) + t(5,1) B) prove that the tangent of the angle of inclination is equal to the slope of the line. Homework Equations N/A The Attempt at a Solution I know...

Homework Statement A physics student playing with an air hockey table (a frictionless surface) finds that if she gives the puck a velocity of 3.86 m/s along the length ( 1.79 m) of the table at one end, by the time it has reached the other end the puck has drifted a distance 2.40 cm to the...

a car of mass 1000kg moves round a banked track at a constant speed of 108km/h. the reaction of the wheels is at right angles to the track, the horizontal radius is 100m. calculate the angle of inclination of the track. Homework Equations tan(theta)= V^2/rg The Attempt at a...

I've seen some measurements of supernovae, and they often mention a ring that's expanding. I can follow that. What is often stated is that they assume the ring is a circle, but of course it's seen at an angle from Earth. One such example was a ring that looks like it's a certain size in...

d = at + ½ a t^2 Horizontally: 7.12m = a cos θ t at = 7.12m/ cos θ Vertically: 10m = a sin θ t + ½ g t^2 10m = (7.12m/ cos θ ) *sin θ + ½ g t^2 = 7.12m tan θ + ½ g t^2 10m = 7.12m tan θ + ½ g t^2 10m = 7.12m tan θ + ½ g 1.1^2g Solve for θ Angle of inclination of the...

1) Find the slope a) (3.14)/6 b) 135° c)60° 2) Find the angle of inclination of a line with the given slope a) m=-1/2 b) m=1 c) m=-2 d) m=57 how do u do these questions?