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The average radius of Mars is 3,397 km. If Mars completes one rotation in 24.6 hours, what is the tangential speed of objects on the planet's surface? Round your answer to the nearest whole number.
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Paloma Burch
A car with a mass of 1,500 kg doubles its speed from 50 km/h to 100 km/h. by how many times does the kinetic energy of the car increase
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Guest
3. Is there a way to dissolve more sugar into a solution that it should hold at that temperature? Explain how this is done and what the solution would be called.
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Andrew
Like matter, energy cycles continuously through an ecosystem.

a. True

b. False User: Like matter, energy cycles continuously through an ecosystem. True or False
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Janet Mann
A room is being accelerated through space at 7 m/s2 relative to the "fixed stars." it is far away from any massive objects. if a man weighs 500 n when he is at rest on earth, how much will he weigh in the room?
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Savannah Richardson
About what is Rigel's surface temperature?
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Aryana Cross
A 75.2 kg ice skater, moving at 7.7 m/s, crashes into a stationary skater of equal mass. After the collision, the two skaters move as a unit at 3.85 m/s. Suppose the average force a skater can experience without breaking a bone is 4824 N. If the impact time is 0.103 s, what is the magnitude of the average force each skater experiences?
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Cade Mccarthy
Amy counts the wave crests traveling down a stretched string. Five wave crests pass Amy in two seconds. What is the frequency of the wave?

A. 5.0 Hz

B. 2.5 Hz

C. 10 Hz

D. 2.0 Hz
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Ashlee Lyons
How does the statement " silence is golden " relate to ethics in communicating at the workplace.?
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Dylan Hunter
You are on a train traveling east at speed of 19 m/s with respect to the ground. 1) If you walk east toward the front of the train, with a speed of 1.5 m/s with respect to the train, what is your velocity with respect to the ground
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Guest
What is the difference in blood pressure (mm-hg) between the bottom of the feet and the top of the head of a 1.87-m-tall person standing vertically? 1 mm-hg = 133 n/m2. the density of blood is 1050 kg/m3?
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Ivy
A student measures the volume of a gas sample at several different temperatures. The results are tabulated as follows:Temperature of gas (K) Volume of gas (L) 298 4.55315 4.81325 4.96335 Formulate a tentative law from the measurements. Check all that apply.

a. The temperature of a gas is directly proportional to its volume.

b. The temperature of a gas is inversely proportional to its volume.

c. The temperature-to-volume ratio of a gas is constant.

d. The temperature-to-volume ratio of a gas isn't constant.
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Kaelyn Booth
An electromagnetic am band radio wave could have a wavelength of?

1).005m

2) 5m

3) 500m

3) 5,000,000m
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Lennon
Which of the follwoing is not an example of an abiotic factor?
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Lilyana Barron
On the periodic table, electronegativity increases as we move from the left column to the right. What information does this give us?
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