 # Free solutions on any math topic

Recent questions in Other Kye 2020-10-18

### Find the exact length of the parametric curve $0 $x=\mathrm{cos}\cdot {e}^{t}$ $y=\mathrm{sin}\cdot {e}^{t}$ sibuzwaW 2020-10-18

### A very light cart holding a 300-N box is moved at constant velocity across a 15-m level surface. What is the net workdone in the process? a) zero b) 1/20 J c) 20 J d) 2,000 J e) 4500 J vazelinahS 2020-10-18

### A 1.60m tall person lifts a 2.10 kg book from the ground so it is 2.20 m above the ground. What is the potential energy of the book, relative to: (a) the ground and (b) the top of the persons CMIIh 2020-10-18

### Racing Racing Cars A and B are traveling on circular portions of a racetrack. In the instant shown, the speed of A is decreasing auto rate of $8\frac{m}{{s}^{2}}$, and the speed of B is increasing at the rate of $3\frac{m}{{s}^{2}}$. For the positions shown, determine (a) the velocity of B relative to A, (b) the acceleration of B relative to A. Zoe Oneal 2020-10-18

###  opatovaL 2020-10-18

### A projectile is fired with an initial speed of 75.2 m/s at an angle od 34.5 degrees above the horizontal on a long flat firing range. Determine (a) the maximum height reached by the projectile, (b) the total time in the air, (c) the total horizontal distance covered (that is, the range) and (d) the velocity of the projectile 1.50 s after firing. Khaleesi Herbert 2020-10-18

### Block A in the fig. 5.58 weighs 1.20N and Block B weighs3.60N. The Coefficient of kinetic friction between all surfaces is0. 300. Find the magnitude of the horizontal force F necessary to drag black B to the left at a constant speed a) if A rest on B and moves with it (fig. 5.28am). b) If A is held at rest.  waigaK 2020-10-18
### simplify the expression: $\mathrm{csc}\left(\mathrm{arctan}2x\right)$ Alyce Wilkinson 2020-10-18