If vector A=[15, 80 degrees] and vector B= 12i - 16j, then what is the magnitude of A-B?

Q: a) Calculate the force needed to bring a 1050 kg car to rest from a speed of 95.0 km/h in a distance...

A: a)The work energy theorem is,

Q: A 0.545-kg basketball is dropped out of a window that is 6.02 m above the ground. The ball is caught...

A: The mass of the ball=0.545 kg.The distance from ground to window=6.02 m.The distance from hand to gr...

Q: the sound in the united center during a Chicago Bulls basketball game in 1998 was seven times as int...

A: The decibel rating today = 89dB.The intensity of sound in 1998 is 7 times as that of today.

Q: A spacecraft is traveling with a velocity of v0x = 4570 m/s along the +x direction. Two engines are ...

A: The initial velocity of the spacecraft is 4570 m/s in the +x direction.

Q: Two long parallel wires 10cm apart each carry a current of 8 mA in the same direction. What is the m...

A: Magnetic field due to the upper wire is,

Q: Please show me how to work this. Don't round any figures please.

A: The spring constant of the spring = 1.30 kN/m.The mass of the block =215 g.The compressed distance =...

Q: The moment of inertia of a uniform rod (about its center) is given by I = ML2/12. What is the kineti...

A: The expression for the kinetic energy,

Q: At the beginning of a basketball game, a referee tosses the ball straight up with a speed of 5.1 m/s...

A: The minimum time that a player should wait can be calculated as follows:Given:Initial velocity of th...

Q: (a) How many significant figures are in the numbers 99.0 and 100.0?

A: The number of reliably known digits in a number is called the number of significant figures. The imp...