Ilya U.

Calculate the final velocity right after a 112 kg rugby player who is initially running at 7.95 m/s collides head‑on with a padded goalpost and experiences a backward force... more

A rotor in a blender speeds up from rest to 105 rad/s in 0.793 s. Through what angle does the rotor turn in that time?Unit = radremember: CCW is +, CW is -. 1 rev = 2*pi rad

Two batteries with emf ε1 = 10 V and emf ε2 = 20 V and internal resistances r1 = 1 Ω and r2 = 2 Ω, respectively, are connected in parallel, and then connected in parallel to a resistor of R = 30 Ω... more

If a car is travelling at the speed of 98 Km/min. Then, what would be the car's speed if converted 98 Km/min to Km/h?Also, describe the formula you have done the sum and explain how to convert... more

A 595-g squirrel with a surface area of 925 cm2 falls from a 5.2-m tree to the ground. Estimate its terminal velocity. (Use the drag coefficient for a horizontal skydiver. Assume that the squirrel... more