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Vadim26 [7]
2 years ago
11

2.4 physics assignment.

Physics
1 answer:
kvv77 [185]2 years ago
4 0

Answer:The distance o the ramp that the car traveled is given by d=(1/2)at^2=(0.5)(3.96)(5.76)^2=65.69 meters. The horizontal component of this travel is 65.69*

Explanation:

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A spring gun consists of a spring inside a plastic tube with spring constant, k. The spring can be compressed 20 cm from its equ
emmainna [20.7K]

Answer: The spring constant is K=392.4N/m

Explanation:

According to hook's law the applied force F will be directly proportional to the extension e produced provided the spring is not distorted

The force F=ke

Where k=spring constant

e= Extention produced

h=2m

Given that

e=20cm to meter 20/100= 0.2m

m=100g to kg m=100/1000= 0.1kg

But F=mg

Ignoring air resistance

assuming g=9.81m/s²

Since the compression causes the plastic ball to poses potential energy hence energy stored in the spring

E=1/2ke²=mgh

Substituting our values to find k

First we make k subject of formula

k=2mgh/e²

k=2*0.1*9.81*2/0.1²

K=3.921/0.01

K=392.4N/m

5 0
3 years ago
Hi guys! :) I really need help on this!! Will def mark brainliest
Travka [436]

Wavelength = (speed) / (frequency)

Speed of radio = speed of light.

3 0
3 years ago
Particles with more energy move ___ than particles with less energy?
Hitman42 [59]
Particle with more energy move SLOWER than particles with less energy.
8 0
2 years ago
Read 2 more answers
Students in an introductory physics lab are producing a region of uniform electric field by applying a voltage to two 20-cm-diam
earnstyle [38]

Answer:

69000 V

Explanation:

E = Electric field = 3\times 10^6\ V/m

d = Distance between plates = 2.3 cm

When we multiply the electric field strength and the distance between the plates of a capacitor we get the maximum voltage.

Maximum voltage is given by

V_m=Ed\\\Rightarrow V_m=3\times 10^6\times 2.3\times 10^{-2}\\\Rightarrow V_m=69000\ V

The highest voltage the students can use is 69000 V

4 0
3 years ago
7. Four perpendicular forces, 2 N, 3 N, 9 N and 10 N act on object P as shown in Diagram 2. 10 N A B 9 N 3 N 2 N P Diagram 2 Wha
Anvisha [2.4K]

Answer: R=

A

2

+B

2

+2ABcosθ

​

θ=90

o

cos90

o

=0

R=

A

2

+B

2

​

=

3N

2

+4N

2

​

=5N

Explanation:

6 0
2 years ago
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