Determine kevins speed just before he grabbed his brother

Assignment Help Physics

Reference no: EM13507532

Kevin has a mass of 81.2-kg and is skating with in-line skates. He sees his 15.4-kg younger brother up ahead standing on the sidewalk, with his back turned. Coming up from behind, he grabs his brother and rolls off at a speed of 2.79 m/s. Ignoring friction, find Kevin's speed just before he grabbed his brother.

Reference no: EM13507532

Questions Cloud

Find the maximum height above the roof reached by the rock : A man stands on the roof of a building of height 16.6 m and throws a rock with a velocity of magnitude 25.6 m/s at an angle of 32.5 degrees above the horizontal. find the maximum height above the roof reached by the rock

Explain reaction for the halogenation of a hydrocarbon : The overall reaction for the halogenation of a hydrocarbon (RH) using Br as the halogen is RH + Br2 > RBr + HBr. The following mechanism has been proposed for this process

Determine the magnitude of the dogs velocity : A dog running in an open field has components of velocity v_x = 3.0 m/s and v_y = -1.2 m/s at time t_1 = 11.4 s. For the time interval from t_1 = 11.4 s to t_2 = 24.7 s, What is the magnitude of the dog's velocity

Define j of heat are required to raise the temperature : The specific heat of iron metal is 0.450 J/g-K. How many J of heat are necessary to raise the temperature of a 1.05-kg block of iron from 25.0 Celcius to 88.5 Celcius

Determine kevins speed just before he grabbed his brother : Kevin has a mass of 81.2-kg and is skating with in-line skates. He sees his 15.4-kg younger brother up ahead standing on the sidewalk, find Kevin's speed just before he grabbed his brother

Ikea looks to further penetrate the us market : IKEA Looks to Further Penetrate the US Market

Determine the force friction on the box : A person pushes on a stationary 125 N box with 64 N at 30 deg below the horizontal, What is the force friction on the box

Determine at what time do the two cars collide : wo stunt drivers drive directly toward each other. At time t=0 the two cars are a distance D apart, car 1 is at rest, At what time do the two cars collide

Explain what is the rate constant and what is the half-life : The problem is about a solution in second order that the original [A]o = 0.100M. 20% of the reaction is completed in 40 minutes. What is the rate constant? What is the half-life?

User Account

All Pages