Answer to Question #296259 in Physics for kazi

Question

1.) A vector of 10 m/s is directed North-East. Approximately, what is its horizontal component?

a. 5 N

b. 880 N

c. 10 N

d. 7 N

2.) The components of a vector are the

a. Horizontal and vertical components

b. Horizontal and diagonal components

c. Vertical and diagonal components

d. Opposite directed components

3.) A relief good is dropped from a helicopter that is 300 m above the ground and rising at a rate of 13 m/s. How fast is the relief good going when it hits the ground?

a. 76.76 m/s

b. 77.8 m/s

c. 6.053 m/s

d. 55.76 m/s

4.) A dragster starts from rest and travels 1/4 mi in 6.70 s with constant acceleration. What is its speed in mi/h when it crosses the finish line?

a. 135

b. 269

c. 296

d. 188

Answer 1

1. Answer: c. 10 N

2. Answer: a. Horizontal and vertical components

3. Answer: b. 77.8 m/s

4. Answer: b. 269