The force diagram above shows a box accelerating to the right on a horizontal surface of negligible friction. The tension TT is exerted at an angle of 30°30° above the horizontal. If μμ is the coefficient of kinetic friction between the box and the surface, which of the following is a correct mathematical equation derived by applying Newton’s second law to the box?   a=(Tcos(θ)−μMg)/M a=(Tsin(θ)−μMg)/M a=Tcos(θ)−μ(Mg+Tsin(θ))/M   a=Tcos(θ)−μ(Mg−Tsin(θ))/M

In the automobile industry, the dimensionless drag coefficient and the area of the vehicle are often combined into one variable - the drag area whereby the drag area is the product of the dimensionless drag coefficient and the area (Drag Area = C*A). A Tesla has a drag area of 0.46 m², whereas an SUV has a drag area of 2.45 m². Assuming the desity of air is equal to 1.21 kg/m^3, determine the amount of energy consumed in overcoming drag for: (a) A Tesla cruising at 120km/hr for 20km. select units (b) An SUV cruising at 120km/hr for 20km. select units (c) A Tesla cruising at 90km/hr for 20km. select units (d) An SUV cruising at 90km/hr for 20km. select units Tolerance = 5%, units mark = 15% Homework is 21 day(s) old, there is no score reduction.

Instructions Use g = 10 m/s2 Always answer in standard units (SI units). Unless otherwise instructed.  Answer to 2 decimal places. Unless otherwise instructed.  A) One way to determine the coefficients of friction (μs and μk) between two surfaces is to use an incline plane. Consider a block of mass m = 2.0kg initially at rest at the top of the ramp. The angle θ is increased slowly. The object starts to slide down the ramp when the angle is 40 degree. Determine the value of μs.  B)  From the above problem, the block slides down the slope with an incline angle of 40 degree, the angle is kept constant. The block starts from rest and travels along the ramp by distance d  = 2.0 m in time t = 1.5 s. Determine the value of μk

Instructions Use g = 10 m/s2 Always answer in standard units (SI units). Unless otherwise instructed.  Answer to 2 decimal places. Unless otherwise instructed.  A 5 kg block is placed on top of a 10 kg block. A horizontal force of 45 N is applied to the 10 kg block, and the 5 kg block is tied to the wall. The coefficient of kinetic friction between all moving surfaces is 0.2. Find the magnitude of the tension in the string holding the 5.0 block.

Please show complete solution for letters d, e, f, g and h

In the figures, the masses are hung from an elevator ceiling. Assume the velocity of the elevator is constant. Find the tensions in the ropes (in N) for each case. Note that 0₁ = 36.0°, 0₂ = 54.0°, 03 = 60.0°, m₁ = 6.00 kg, and m₂ = 9.00 kg. (Due to the nature of this problem, do not use rounded intermediate values in your calculations-including answers submitted in WebAssign.) (a) (b) T₁ = T₂ = T3 = T₁ T₂ = T3 = T₁ m₂ 0₁ T₁ 03 Ts N N N zzz N N N 22 T3 8₂ T₂ m₂ i

The block shown is pulled across the rough horizontal surface at a constant speed by the force shown. If m=10 kg, F=18, and e = 37°, what is the coefficient of kinetic friction between the block and the surface? consider g = 10 m/s. %3D %3D F m A. 0.3612

A force ofF1= 50.0 N is directed at an angle of 60° above the x-axis. A second force of  F2 = 50.0 N is directed at an angle of 60.0° below the x-axis.= 50.0 N is directed at an angle of 60.0° below the x-axis.  What is the vector sum of these two forces?

Four forces act on an object, given by  A = 38.3 N east, B = 45.3 N north, C = 70.7 N west, and D = 88.7 N south.  (Assume east and north are directed along the +x-axis and +y-axis, respectively.) (a) What is the magnitude of the net force (in N) on the object?   (b) What is the direction of the force? (Enter your answer in degrees counterclockwise from the +x-axis.)

As you will see in a later chapter, forces are vector quantities, and the total force on an object is the vector sum of all forces acting on it. In the figure below, a force F, of magnitude 6.70 units acts on a crate at the origin in a direction 0 = 26.0° above the positive x-axis. A second force F, of magnitude 5.00 units acts on the crate in the direction of the positive y-axis. Find graphically the magnitude and direction (in degrees counterclockwise from the +x-axis) of the resultant force F, + F,. magnitude units direction Counterciockwise from the +x-axis