4. Two forces, each lying in the plane of a tabletop, are applied to an initially stationary 20-kg object What is the speed (in m/s) of the object ten seconds later? 20 N 70⁰ (a) 10.3 (b) 18.1 (c) 17.5 (d) 19.4 (e) None of these +y 24 N 40⁰ + X Ep.c21 (d) 0-tm (80 cal/g) Decst (b) 5. The three blocks below are sliding to the right over a frictionless tabletop under the action of a force P pushing to the right. The contact force between the 8-kg and 2-kg blocks is 80 N. What is P, in newtons?
4. Two forces, each lying in the plane of a tabletop, are applied to an initially stationary 20-kg object What is the speed (in m/s) of the object ten seconds later? 20 N 70⁰ (a) 10.3 (b) 18.1 (c) 17.5 (d) 19.4 (e) None of these +y 24 N 40⁰ + X Ep.c21 (d) 0-tm (80 cal/g) Decst (b) 5. The three blocks below are sliding to the right over a frictionless tabletop under the action of a force P pushing to the right. The contact force between the 8-kg and 2-kg blocks is 80 N. What is P, in newtons?
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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help with 4 and 5 pl
Transcribed Image Text:4. Two forces, each lying in the plane of a tabletop, are applied to an initially stationary 20-kg object.
What is the speed (in m/s) of the object ten seconds later?
-X.
20 N
(a) 10.3
(b) 18.1
(c) 17.5
(d) 19.4
(e) None of these
P
70°
6 kg
(a) 160
(b) 80
(c) 60
(d) 120
(e) None of these
+y
-y
24 N
2 kg
40⁰
8 kg
+ X
5. The three blocks below are sliding to the right over a frictionless tabletop under the action of a
force P pushing to the right. The contact force between the 8-kg and 2-kg blocks is 80 N. What is P,
in newtons?
(9/5)
(5) To+37
n) tools
OES
orgobi
gide ferit
AT
Q-tm (80 cal/g)
Q-tm (540 cal/g)
1 cal = 4.19 I
025 (0)
001 (6)
stad) to apol (5)
gide A S
gaibood
$8.001 (8)
24.221 (d)
18.021 (0)
est (b)
soli to onol (6)
haroit yaibolov i esesproeb vllatnoshud gnileva too
od llw arW 21stom-0211 at tremoonigaib ali bohoq
ET.) (0)
80.8 (d)
2ES (0)
IV.2 (b)
sead) to onol (0)
4
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