Monday
December 9, 2013

# Posts by Crystal

Total # Posts: 712

Physics
An airplane flies 340 km due east, makes a right-angle turn, and then flies 390 km due north. Find the magnitude of the plane’s displace- ment from its starting point. Neglect the curvature of the earth. Answer in units of km

Physics
A pedestrian moves 5.7 kmeast and then 8 km north. Find the magnitude of the resultant dis- placement vector. Answer in units of km

Math
It is less than 60 and greater than 55 if you add the digits the sum is 13 what is the number

Science
1. You observe two beakers containing clear liquid and ice cubes. In the first beaker, the ice cubes are floating. In the second, the ice cubes are on the bottom of the beaker. Write a hypothesis to explain the difference in your observations about the two beakers. 2. Explain ...

Physics
The velocity vector of a sprinting cheetah has x- and y-components vx = +12.6 m/s and vy = -27.2 m/s. What angle does the velocity vector make with the +x- and −y-axes?

Physics
Samantha is 1.15 m tall on her eleventh birthday and 1.32 m tall on her twelfth birthday. By what factor has her height increased?

physics
Samantha is 1.15 m tall on her eleventh birthday and 1.32 m tall on her twelfth birthday. By what factor has her height increased?

Algebra 1
24,428.57

math
2340

math
A college offers nine different psychology courses,four different history course,thirteen different math course,and five different business courses. If a student is required to take one course in each of those four subjects,how many different ways are there for the student to ...

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