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A 70 kg astronaut is moving at 12 m/s and collides with a 60 kg astronaut moving at -5 m/s. What is the total momentum of both astronauts before they collide? a) 840 kg·m/s b) 180 kg·m/s c) -240 kg·m/s

Shyam Habarakada asked Dec 28, 2024

by Shyam Habarakada

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To bend or change direction of a ray of light is refraction O constriction O direction O location

Cooltea asked Dec 28, 2024

by Cooltea

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3 votes

92.3k views

Two transducers send ultrasound pulses into soft tissue. One transducer emits sound with a 4 MHz frequency, and the other produces sound at a 6 MHz frequency. Each pulse contains 4 cycles. Which has a

Brice Rebsamen asked Dec 28, 2024

by Brice Rebsamen

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1 answer

4 votes

202k views

if a satellite is in orbit around jupiter and an identical satellite is in orbit around the earth, which satellite would experience a greater attractive force?

Kprevas asked Dec 28, 2024

by Kprevas

8.3k points

1 answer

4 votes

167k views

Calculate the magnitude of the electric field when a 100V battery is connected to two oppositely charged plates separated by a distance of 10cm.

Aoeu asked Dec 28, 2024

by Aoeu

9.0k points

1 answer

4 votes

179k views

you are certainly under a lot of heat and ________ now that i have stolen your metamorphic rock. fill in with 8 letter word that makes sense that not pressure.

Byrdr asked Dec 28, 2024

by Byrdr

7.9k points

1 answer

2 votes

58.5k views

A fuse link is generally made from one of the following: silver, tin, lead, copper or an alloy such as tin-lead. What causes it to melt or blow?

Mitch Talmadge asked Dec 28, 2024

by Mitch Talmadge

8.6k points

1 answer

2 votes

135k views

There exists a normal force between any two objects unless they are touching? a) True b) False

Caesarxuchao asked Dec 28, 2024

by Caesarxuchao

7.5k points

1 answer

0 votes

43.6k views

Mission MC2: Impulse and Momentum Change A 6.0-kg object moving at 3.0 m/s encounters a 40- Newton resistive force over a duration of 0.20 seconds. The final momentum of this object is ___kg• m/s . m/s.

Dzolnjan asked Dec 28, 2024

by Dzolnjan

8.0k points

2 answers

3 votes

17.1k views

A stack thermometer commonly has a range from a. 0 to 500°F b. 300 to 500°F c. 200 to 1,000°F d. 500 to 1,000°F

Donald T asked Dec 28, 2024

by Donald T

7.9k points

1 answer

0 votes

164k views

Vacuum contacts A. Are quieter in operation than standard contactors B. Can control higher voltages in a smaller space C. Are more economical to purchase than conventional contactors D. Require the connection

Gober asked Dec 28, 2024

by Gober

8.4k points

1 answer

4 votes

205k views

Every object with mass exerts a gravitational force on every other object with mass in the universe. 1) True 2) False

Jacky Nguyen asked Dec 28, 2024

by Jacky Nguyen

7.3k points

1 answer

4 votes

15.2k views

Given the fermi level of li is 4.2 ev, what average effective mass will give you the same result from free electron theory?

Bilal Awan asked Dec 28, 2024

by Bilal Awan

8.6k points

1 answer

4 votes

151k views

What does oscillation and propagation mean?

Natdico asked Dec 28, 2024

by Natdico

8.6k points

1 answer

5 votes

72.3k views

the distance between your car's front wheels is 3.03 meters. you drive around a racetrack, counterclockwise, one complete circle every 33.47 second. the driver side front wheel has an average speed of

Cody Piersall asked Dec 28, 2024

by Cody Piersall

7.2k points

1 answer

4 votes

225k views

Which of the following would not be a unit of density? A) Kg/m^3 B) mg/cm^2 C) g/ml

Somejkuser asked Dec 28, 2024

by Somejkuser

8.0k points

1 answer

0 votes

228k views

Two atoms approach each other, describe what attractive forces are occurring and what repulsive forces are occurring. a) No forces b) Attractive forces only c) Repulsive forces only d) Both attractive

WiiBopp asked Dec 28, 2024

by WiiBopp

7.7k points

1 answer

0 votes

53.8k views

Describe the postulate on which Einstein based the theory of general relativity and describe an everyday experience that illustrates this postulate. A. Gravity and velocity have the same effect and cannot

Simon Stender Boisen asked Dec 28, 2024

by Simon Stender Boisen

7.6k points

1 answer

0 votes

139k views

In a set of elementary school students' heights normally distributed with a mean of 105 cm and a standard deviation of 5 cm, what percentage of students have heights between 95 cm and 115 cm? a) 68% b)

Maciej Stachowski asked Dec 28, 2024

by Maciej Stachowski

8.1k points

1 answer

0 votes

93.2k views

Using your data, after finding initial velocities, how far does a rocket travel if its initial time was 1 second? A) 1 kilometer B) 2 kilometers C) 3 kilometers D) It depends on additional factors

Barbolo asked Dec 28, 2024

by Barbolo

8.3k points

1 answer

5 votes

112k views

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